Trig Identities

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  • Опубликовано: 29 дек 2024

Комментарии • 490

  • @TheOrganicChemistryTutor
    @TheOrganicChemistryTutor  Год назад +56

    Trigonometry - Free Formula Sheet: bit.ly/47diggI
    Trigonometry For Beginners: ruclips.net/video/PUB0TaZ7bhA/видео.html
    Final Exams and Video Playlists: www.video-tutor.net/
    Full 2 Hour Trig Final Exam Review: ruclips.net/video/yyg1X8M4IKs/видео.html
    Join The Membership Program: bit.ly/46xaQTR

  • @krisztian1238
    @krisztian1238 7 месяцев назад +930

    This the day I realized it wasn't all sunshine and rainbows😭🙏

    • @thvtsydneylyf3th077
      @thvtsydneylyf3th077 6 месяцев назад +20

      you realise this aint no joke

    • @inspirationalroseswashere..
      @inspirationalroseswashere.. 6 месяцев назад +64

      real?? trig was so easy until I got hit by this truckload

    • @johnyjakey1488
      @johnyjakey1488 4 месяца назад

      ​@@thvtsydneylyf3th077no shit sherlock

    • @panthusbg626
      @panthusbg626 4 месяца назад +2

      @@inspirationalroseswashere..bro what is hard about this i love simplifying tri equations with idenities 😋

    • @inspirationalroseswashere..
      @inspirationalroseswashere.. 4 месяца назад

      @@panthusbg626 i’ll assure you that one month later I have returned stronger than ever 🔥‼️

  • @twa9342
    @twa9342 Год назад +643

    The Organic Chemistry Tutor reigns supreme

  • @Pugsgunsandstuff
    @Pugsgunsandstuff 7 месяцев назад +292

    Fought the whole semester to keep my A, this is what's going to blow it for me. This stuff makes absolutely zero sense without a reference sheet or something.

    • @derrickhill1553
      @derrickhill1553 5 месяцев назад +18

      Hit them flash cards

    • @jaythekillagaming961
      @jaythekillagaming961 6 дней назад +2

      I had a 97 before the unit circle unit, now I’m at a 90. This stuff is my next unit and I’m so cooked goodbye my scholarship

    • @danielliko2884
      @danielliko2884 День назад

      ​@@jaythekillagaming961 What grade do you learn these in the US

    • @danielliko2884
      @danielliko2884 День назад

      I'm 9th grade. These are simple especially with proof which is given in the vid in the description. You haven't tried finding the derivatives of the hyperbolics of these. Say goodbye to numbers.

    • @Pugsgunsandstuff
      @Pugsgunsandstuff День назад

      @@danielliko2884 I never will because I dipped out of STEM, fuck all that.

  • @caviwhy
    @caviwhy Год назад +215

    couldnt be even more perfect, literally learned about trig identities in class today and didnt understand it. immaculate timing

    • @tufasteel2329
      @tufasteel2329 Год назад +24

      bro this trig stuff is so fukin hard

    • @Afters0nny
      @Afters0nny Год назад +47

      @@tufasteel2329 I swear it’s making me lose hope I can only do math if I get the logic but what’s the logic here…

    • @libertybee1307
      @libertybee1307 Год назад +11

      @@Afters0nny same my other classmates do it so fast and I’m here trying

    • @whyhayden
      @whyhayden Год назад +15

      Memorize this bc I’m in college and having to come back to review this because I forgot most of them

    • @MrDiceZack
      @MrDiceZack 8 месяцев назад +4

      @@whyhaydenDo not ever memorize, it's better to understand

  • @friedhegg8874
    @friedhegg8874 Год назад +54

    bruh literally two minutes in and you already gave me the best way to remember sin, cos, and tan. wow ur a legend

  • @sasugamegami5113
    @sasugamegami5113 10 месяцев назад +439

    Bro teaches physics, algebra, chemistry, trig, basics of math, matrices, calculus, etc. What does this man can't do in the field of math?

  • @Eeppydeepy
    @Eeppydeepy Год назад +139

    Thanks, man. Been cramming right before finals trying to relearn everything, and this channel has been a life saver. Everything is explained so clearly and simply it makes trig seem easy.

  • @ChukwumaNdive
    @ChukwumaNdive Год назад +29

    This channel is by far my favorite RUclips channel to learn Math. Thanks for making these videos. I can only imagine the hours and effort you put in.

  • @abigaleammons8574
    @abigaleammons8574 8 месяцев назад +89

    Bro literally my teacher only talks about donkeys in class. I mean literal donkeys. And yet I’m supposed to know this? This man has SAVED me

    • @lilybreaths
      @lilybreaths 4 месяца назад +1

      @nomant7 yeah they should enlighten us

    • @wege8409
      @wege8409 3 месяца назад +1

      Donkey A and Donkey B are walking toward each other on a dirt road. Donkey A starts from the barn, 15 miles away from the meeting point, at 1:00 PM. Donkey B starts from the orchard, 10 miles away from the meeting point, at the same time, 1:00 PM. Donkey A walks at a speed of 3 miles per hour, while Donkey B walks at a speed of 2 miles per hour. At what time will Donkey A and Donkey B collide?

    • @lilybreaths
      @lilybreaths 3 месяца назад

      @@wege8409 To determine the time when Donkey A and Donkey B collide, we can use the formula:
      \[
      \text{Time} = \frac{\text{Distance}}{\text{Combined Speed}}
      \]
      ### Step 1: Calculate the combined speed
      - Donkey A's speed: 3 miles per hour
      - Donkey B's speed: 2 miles per hour
      - Combined speed: \( 3 \text{ miles per hour} + 2 \text{ miles per hour} = 5 \text{ miles per hour} \)
      ### Step 2: Calculate the total distance between them
      - Donkey A starts 15 miles away from the meeting point.
      - Donkey B starts 10 miles away from the meeting point.
      - Total distance: \( 15 \text{ miles} + 10 \text{ miles} = 25 \text{ miles} \)
      ### Step 3: Calculate the time it takes for them to collide
      \[
      \text{Time} = \frac{25 \text{ miles}}{5 \text{ miles per hour}} = 5 \text{ hours}
      \]
      ### Step 4: Determine the collision time
      Since they both start at 1:00 PM, they will collide 5 hours later:
      \[
      1:00 \text{ PM} + 5 \text{ hours} = 6:00 \text{ PM}
      \]
      So, Donkey A and Donkey B will collide at **6:00 PM**.

    • @lilybreaths
      @lilybreaths 3 месяца назад +3

      @@wege8409 Let's break this down step by step:
      1. Donkey A starts 15 miles away from the meeting point and walks at 3 miles per hour. To find the time it takes for Donkey A to reach the meeting point, divide the distance by the speed:
      15 miles / 3 miles per hour = 5 hours
      1. Donkey B starts 10 miles away from the meeting point and walks at 2 miles per hour. To find the time it takes for Donkey B to reach the meeting point, divide the distance by the speed:
      10 miles / 2 miles per hour = 5 hours
      1. Since both donkeys start at the same time (1:00 PM) and take the same amount of time to reach the meeting point (5 hours), they will collide at:
      1:00 PM + 5 hours = 6:00 PM
      So, Donkey A and Donkey B will collide at 6:00 PM.

  • @Billsomebody89
    @Billsomebody89 Год назад +31

    30,60,90 and 45,45,90. The good ol' Right triangle basics. Your channel helped me out quite a bit in my trig class.

  • @REAMtheDream
    @REAMtheDream 2 месяца назад +7

    The first Organic Chem Tutor Video that got me more confused than I was

  • @WaffelenSyrup
    @WaffelenSyrup 10 месяцев назад +2733

    I'm actually cooked bro

  • @ashistoxic8447
    @ashistoxic8447 Год назад +58

    the timing of this video is actually perfect. I have a test tomorrow and I need to know my trig identities,

  • @zdrafts_
    @zdrafts_ 9 месяцев назад +10

    Man may God bless you though I paid a huge sum of tuition fee the whole year you're gonna save my exam a month ago
    I'll return with an A* in Gcse Add Maths (In Sha Allah)
    Y'all pray I get an A*

    • @Gavin-N
      @Gavin-N 2 месяца назад +1

      did you get an A?

  • @fwoopp9777
    @fwoopp9777 Год назад +15

    Babe wake up, The Organic Chemistry Tutor dropped a new banger

  • @gamereplixer8521
    @gamereplixer8521 Год назад +47

    I have a trig exam on this exact content tomorrow, big praise.

    • @TheOrganicChemistryTutor
      @TheOrganicChemistryTutor  Год назад +34

      This video can help you with your Trig final exam:
      ruclips.net/video/OAsbx4TEnL0/видео.html

    • @ramusubedi7514
      @ramusubedi7514 7 месяцев назад

      thnks i love this chanel​@@TheOrganicChemistryTutor

  • @megufan6955
    @megufan6955 7 месяцев назад +17

    We are absolutely done for 🗣🗣💯💯🔥🔥🔥

  • @Sydneystar1
    @Sydneystar1 4 месяца назад +2

    thank you very much sir
    I’m in Uganda but before I saw your tutorials I was lost coz math was cooking me up
    So thanks so much sir. 🙇‍♂️🙇‍♂️🙇‍♂️

  • @Turboner
    @Turboner Год назад +12

    Bro right after my trig unit just ended. But I got the pre-calc final. Thanks for uploading! You da man. Wish me luck!

    • @TheOrganicChemistryTutor
      @TheOrganicChemistryTutor  Год назад +14

      This video can help you with your Pre-calculus final exam:
      ruclips.net/video/Tj-V6KnwM5w/видео.html

  • @fidelisikhifa4510
    @fidelisikhifa4510 Год назад +4

    Thank you so much. You made me to conquered my fears. Thank you so much. You broken a complex maths into parts for my understanding. I appreciate you.

  • @AbdulNassiffTanggao
    @AbdulNassiffTanggao Месяц назад +7

    This was our lesson earlier, and I almost fainted because of this

  • @JonathanFuentes-n9s
    @JonathanFuentes-n9s 10 месяцев назад +1

    more helpful than what any teacher has done so far

  • @dakamary9506
    @dakamary9506 Год назад +8

    Though my test was on Monday, your previous video for trig identities helped, I'll make sure to watch this one too

  • @BuchiClon
    @BuchiClon 8 месяцев назад +1

    Thanks!

  • @dman2204
    @dman2204 Год назад +55

    Thank you for uploading educational content every time!❤

    • @TheOrganicChemistryTutor
      @TheOrganicChemistryTutor  Год назад +44

      No problem

    • @williamhu9567
      @williamhu9567 Год назад +21

      @@TheOrganicChemistryTutor THE LEGEND HIMSELF HAS SPOKEN

    • @ilo9339
      @ilo9339 Год назад +5

      ​@@TheOrganicChemistryTutor does JG stand for julio gonzalez?

  • @mrblue2052
    @mrblue2052 Год назад +7

    your voice never changed.

  • @DrJacob-z6l
    @DrJacob-z6l 3 месяца назад +8

    Everything was understandable till 8:00

    • @jddrew00
      @jddrew00 2 месяца назад

      Take a look at the unit circle and try some values. Sin(60) = Cos(30), for example, is easy to see visually.

  • @qtastrophysics2581
    @qtastrophysics2581 Год назад +1

    15:44 I love how you say let me say that again

  • @GenghisKhanResurrected
    @GenghisKhanResurrected Год назад +58

    I wanna meet bro one day

  • @T-T_Angel
    @T-T_Angel 6 месяцев назад +1

    Next year ill be taking calc for my senior year in high school so i decided to put in the hours this summer. i am 8 mins into this video i can feal an increasing pressure in my skull and that's a good thing cause am absorbing the information. But its unreal its all of this is packed into a

  • @PaytonShaw-d5k
    @PaytonShaw-d5k 7 месяцев назад +1

    You covered just about everything here, nice. Got my final for pre-calc tomorrow

  • @abd1x7
    @abd1x7 28 дней назад +1

    this man is way too chill

  • @GitaPrihatini-h8v
    @GitaPrihatini-h8v Год назад +3

    thank you for explaining this chapter in a very systematic way, it really helps!

  • @SruthiLijil
    @SruthiLijil 11 месяцев назад +2

    I studied all this with great interest while studying in college. But now after 13 years it was very difficult to recollect. So when I go for an interview for the position of a mathematic teacher to answer the trigonometric functions was a difficult task. But this video helped me to remember all the trigonometric functions. It is really helpful for me. Thank you so much.

  • @tejetski
    @tejetski 8 месяцев назад +1

    This man finna boost my sat score by about 100

  • @onfire1341
    @onfire1341 11 месяцев назад +2

    Very helpful content! Appreciate the hard work! Keep it up🌟🌟🌟

  • @Sirosa-BM
    @Sirosa-BM 19 дней назад

    y'all I am 15 and applying for college and I need to have this down! So thank you SO MUCH!!!

  • @daiminh010
    @daiminh010 Месяц назад +5

    Man, this topic is killing me right now. Soo much memorization its definitely the hardest thing I've ever done.

  • @plasmazammy3894
    @plasmazammy3894 8 месяцев назад +49

    I’ll be dead by Tuesday

    • @oklaserr
      @oklaserr 7 месяцев назад +3

      real

    • @studysuki80
      @studysuki80 3 месяца назад +3

      are you still alive?

  • @Wheezy101
    @Wheezy101 2 месяца назад +3

    i got a test tomorrow in pre calc on trig as a whole. i need to be able to graph all trig functions, all inverses, know all trig indentities. i need to know when functions are odd or even for graphing. i need to know inverse trig functions and inverse trig relation. Right now I currently don’t know anything other than graphing a sin graph. Hopefully an All nighter saves me

    • @jackhammond8817
      @jackhammond8817 Месяц назад

      to be fair this video is a complete shit explanation

  • @VanessaJimen3z
    @VanessaJimen3z 7 месяцев назад +1

    I was getting frusterated when he was bout to skip explaining cos20=cos^20-sin^20, then he did, and I was relievedddddd

  • @chisomeze4626
    @chisomeze4626 Год назад

    Thank youuuuuu 🥹
    I have exams tomorrow by 9am, I'm so happy 😁

  • @Tomas-zv2js
    @Tomas-zv2js Год назад

    The red laser pointer does help with the ADHD. I think my attention span is able to keep up much longer now. Thank you!

  • @nimakojnr6178
    @nimakojnr6178 Год назад +3

    The Organic Chemistry Tutor is too good, man! Clear videos check, eloquence check, and super intelligent double triple check

  • @badoibaboi5457
    @badoibaboi5457 Год назад +8

    how do u know when to apply a trig identity? is it necessary to apply an identity everytime u see one, or are there times where leaving the trig expression just as it is is better than applying an identity?

  • @dalisabe62
    @dalisabe62 Год назад +1

    Very thorough and organized!

  • @christianajoseph3189
    @christianajoseph3189 4 месяца назад +1

    Y'all have to agree with me,this guy is a god❤

  • @erdog8394
    @erdog8394 7 месяцев назад +4

    why do you not explain where are these coming from 11:40

  • @NaftaliSpodek
    @NaftaliSpodek Год назад

    I actually needed to watch this video For trigonometric Integrals It's a good review for that and also In polar coordinates

  • @altheapalis
    @altheapalis Год назад

    the OCT never gatekeeps, what a king 👑

  • @mervlovesteddys
    @mervlovesteddys Год назад +7

    this is actually make me cry

  • @thomasogbonna
    @thomasogbonna Год назад +2

    I really needed this. Thank you!!

  • @yahdz8188
    @yahdz8188 11 месяцев назад

    Got me through college bro shout out to you

  • @Syntaxxed
    @Syntaxxed 8 месяцев назад

    this is already great but would be even better with a visual representation on the unit circle. But thanks for saving my grades tomorrow!

  • @krylaarualla7313
    @krylaarualla7313 Год назад

    This is really amazing, I have my midterm exam today

  • @mc2smith370
    @mc2smith370 11 месяцев назад

    At 10:04 isn’t the sin of 45 degrees equal to 1/root(2) ? Please feel free to correct me or to explain how he got root(2\2). Thanks :)

    • @mc2smith370
      @mc2smith370 11 месяцев назад

      I watched one of his videos, you rationalise by multiplying 1/rt(2) by rt(2/2), hope this helps anyone who made the same mistake I did.

  • @StanziiThompson
    @StanziiThompson 3 месяца назад

    Thanks bruhh you help me a lot....❤

  • @EnigmaScrolls
    @EnigmaScrolls Год назад +2

    It's the first tutorial of your's that I didn't get anything🤒🤒🤒

  • @mccauleybacalla2228
    @mccauleybacalla2228 Год назад +2

    coscosb = 1/2 [ cos (a+b) + cos (a-b) ]
    21:40

  • @mathiaskipronokirui
    @mathiaskipronokirui Год назад

    Thanks really a good teacher❤

  • @lavabhai
    @lavabhai 3 месяца назад

    14:07 u can use formula of (a+b)(a-b) =a² - b²

  • @wediadi6788
    @wediadi6788 Год назад +1

    Fantastic, full packed course from the very basic to the advanced in less than half hour.

  • @mazubahambizi5801
    @mazubahambizi5801 7 месяцев назад +2

    Broo. This is so complicated, I am basically lost at this point.

  • @GeraldBosley-cf8ng
    @GeraldBosley-cf8ng Год назад +2

    I can handle any mathematics up to calc 3, but I still get these trig identities wrong. I have got to figure out a system to really commit these to memory because I should not be having this problem.

  • @lisai.9812
    @lisai.9812 3 месяца назад

    Your videos are an absolute godsend, but that red dot was soooooooo distracting. 😞

  • @keefeang2036
    @keefeang2036 Год назад

    thanks for posting this video i love u sir

  • @EOMMunaware
    @EOMMunaware Год назад +1

    Thanks bro I could use this for my calculus 1

  • @brenytakz
    @brenytakz 7 месяцев назад +40

    Stop reading comments and concentrate 😅

  • @philemonngetich9044
    @philemonngetich9044 Год назад +1

    Thanks for your lec❤love it

  • @manavclips
    @manavclips Год назад

    absolute king

  • @danielliko2884
    @danielliko2884 День назад +1

    If you ever feel dumb remember that chatgpt exists.
    If you ever feel dumb remember that the OCT (ur channel name shortened) exists

  • @HopesonGamadzi
    @HopesonGamadzi 5 месяцев назад

    Thank you teacher
    God bless you

  • @aimusoorii4484
    @aimusoorii4484 Год назад

    Lol Im binge watching every trig derivation vids for my upcoming midterm exam

  • @over_zeal0us
    @over_zeal0us Месяц назад +7

    Im dropping out bro

  • @gonzaldinhoisgod934
    @gonzaldinhoisgod934 3 месяца назад +5

    If I don’t pass trig this semester…my dad’s gonna shit in my mouth

  • @EstherAdomah-zv2gt
    @EstherAdomah-zv2gt Год назад +1

    Thanks a lot for this lesson 😊

  • @TheMathematiciankfm2735
    @TheMathematiciankfm2735 Год назад

    nice video,well explained

  • @gamerjames8432
    @gamerjames8432 Год назад +3

    I suggest changing the background to more like gray so it is easy on the eyes . Btw appreciate your dedication Man :)

  • @Krankaroon
    @Krankaroon Год назад

    I love this man

  • @mrweja
    @mrweja 18 дней назад

    Dude's so genius.

  • @guliyevshahriyar
    @guliyevshahriyar Год назад

    Thank you very much teacher!

  • @doritochan001
    @doritochan001 3 месяца назад

    I love you, thank you for this video. Very concise and understandable.

  • @josephyaw4112
    @josephyaw4112 Год назад

    I think you interchanged the tan and the cot in the beginning on the video, please kindly check.

  • @gamer7x325
    @gamer7x325 3 месяца назад +3

    I’m just watching at this point with absolutely ZERO thought behind my eyes… I’m absolutely cooked ts makes no sense 😭😭😭

    • @danielliko2884
      @danielliko2884 День назад

      There is a verification vid in the description

  • @asantedan-zk4zx
    @asantedan-zk4zx Год назад

    Continue good word our tutor

  • @siro5728
    @siro5728 Год назад +3

    i have an ib math external in 1 month and I find the subject hard i need help

  • @dbztimes5808
    @dbztimes5808 5 месяцев назад

    Last minute studying for a placement test and I haven’t had math in over a year 👍

  • @brianmathx201
    @brianmathx201 Год назад

    lovely explainations. Thank you so much.

  • @joeyoshs
    @joeyoshs 4 месяца назад

    What's the best way to get a tan? Having the Sun (Sine) over the coast (Cos)!

  • @akshajande0519
    @akshajande0519 Год назад +1

    The link to the practice problems doesn't seem to work 😢

  • @iliyasesoof17
    @iliyasesoof17 8 месяцев назад +11

    bro i'm so screwed

  • @thabangduma3596
    @thabangduma3596 9 месяцев назад

    Mind blowing!!!

  • @es8co8rt2004
    @es8co8rt2004 4 месяца назад

    You have to live this to have this locked in your memory…😢

  • @Shinarambo001
    @Shinarambo001 Год назад +1

    wow he is still replying and liking comments!!! Can I get a like from Mr. Organic chemistry

  • @YUMANOAH
    @YUMANOAH 7 месяцев назад

    sin45=cos45=1/root2 not root2/2 , anyways gr8 video

    • @Idealess.
      @Idealess. 5 месяцев назад

      1/root2=root2/2, root2/2 is rationalized

  • @user-xy5yg6se1k
    @user-xy5yg6se1k Месяц назад

    what's the use of the double and half angle identities?
    why don't we just double or half the actual angle??

    • @danielliko2884
      @danielliko2884 День назад

      As you grow up you'll understand that they are just making shit up at this point

  • @shototodoroki6822
    @shototodoroki6822 Год назад +2

    Hello20** i was here rayan slm : wonder egg priority nd nana hachi707 r my fav animes

  • @jamesragnarim8148
    @jamesragnarim8148 Год назад +2

    Pls can u show how to calculate antilog in fx calculator

  • @mhecca6856
    @mhecca6856 Год назад

    Where can I find the exercises or example of this topic?