Evaluating Trigonometric Functions Given a Point on the Terminal Side - Trigonometry

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  • Опубликовано: 29 янв 2025

Комментарии • 141

  • @TheOrganicChemistryTutor
    @TheOrganicChemistryTutor  Год назад +9

    Trigonometry - Free Formula Sheet: bit.ly/47diggI
    Trigonometry Final Exam Review: ruclips.net/video/OAsbx4TEnL0/видео.html
    Next Video: ruclips.net/video/YDuPdLL9GGo/видео.html

  • @jdrukman
    @jdrukman 3 года назад +246

    Since the teachers at my daughter's school can't teach, I'm here to figure out how to explain it to her. very clear and easy to follow. thanks!

    • @chynawilcox8907
      @chynawilcox8907 3 года назад +34

      I'm glad you blaming the teachers and not your daughter. too many people just blame there kids 🙄

    • @tetchy2468
      @tetchy2468 2 года назад

      @@chynawilcox8907 true🥲

    • @heartless_raven
      @heartless_raven 2 года назад +7

      @@chynawilcox8907 government and education system never want to take the blame. They just put themselves over and can do no wrong in their minds. It’s never their fault.

    • @annenamuwenge9140
      @annenamuwenge9140 Год назад +1

      @@chynawilcox8907 sthu

    • @adjadiop1353
      @adjadiop1353 Год назад

      That teacher is me!

  • @jasonl7106
    @jasonl7106 3 года назад +29

    honestly you're a life saver. Thanks for all the work you do.

  • @thatpacho
    @thatpacho 6 лет назад +60

    Thanks so much man, my proff cant even teach this in 2 days. literally.

  • @lilianacruz735
    @lilianacruz735 4 года назад +86

    This problem is literally my test question omg thank you so much!!

  • @MunahBoss
    @MunahBoss 6 лет назад +10

    OCT I would not make it without you! I swear!!! From binary to Trig! Bless You!

  • @b.n9076
    @b.n9076 Год назад +3

    Thank you for making these for free, I was having trouble then you came along!!

  • @sugarplum8920
    @sugarplum8920 10 месяцев назад +1

    I really love this video. In a scale of 1-100, I'll rate it a 100/100 😊

  • @kpiliharteu9644
    @kpiliharteu9644 4 года назад +7

    I understand this more than my teacher's discussion.. *my teacher made me think of transferring school*

  • @awkwardrainbowpotato5620
    @awkwardrainbowpotato5620 3 года назад +5

    Thank you so much dude, you're literally a life saver

  • @5bxrazzer662
    @5bxrazzer662 3 года назад +4

    Most useful lecture ever

  • @Cheetahprint85
    @Cheetahprint85 4 года назад +96

    The 16 people who disliked this video,
    failed their Math test.

    • @nemesiscodm5371
      @nemesiscodm5371 4 года назад +1

      make that 22

    • @bobithpopit3193
      @bobithpopit3193 4 года назад +2

      @@nemesiscodm5371 25

    • @drxace
      @drxace 3 года назад +1

      @@bobithpopit3193 actually its 28 ;)

    • @jaredr9469
      @jaredr9469 3 года назад +1

      @@drxace I will be the 29th tomorrow ;)

    • @IsaacSkinner-5
      @IsaacSkinner-5 3 года назад +2

      @@jaredr9469 It's 30 now -_-

  • @JosephLawer-tx8sq
    @JosephLawer-tx8sq 6 месяцев назад

    your teaching is very good

  • @madsuniverse9670
    @madsuniverse9670 4 года назад +2

    This guys voice is so calming

  • @sanopann1896
    @sanopann1896 Год назад

    the only way to help this guy back is to watch the ads that popping out on his video and I'm going to write this comment to all of his video for you to know you can help him back by just watching his ads

  • @ynnadbossmito1368
    @ynnadbossmito1368 Год назад

    You make math much more fun.

  • @MdJitu-w5y
    @MdJitu-w5y 2 месяца назад

    Veryy Thank you sirrr the video is verryyy useful 🤗

  • @hyphuniverse1533
    @hyphuniverse1533 2 месяца назад

    This so great! My teacher could not teach this to save his life and I have homework due

  • @jessejames1520
    @jessejames1520 2 года назад

    best teacher ever

  • @blackretsu7452
    @blackretsu7452 2 года назад

    yeah, teacher, this video thought me what u couldnt in A WHOLE SEMISTER

  • @joliemarieballescas1471
    @joliemarieballescas1471 3 года назад +1

    Thanks so much it help me a lot especially in my reporting

  • @KatlegoMoresekao
    @KatlegoMoresekao 11 месяцев назад

    You helped me alot thank you 😅😊

  • @odstethan15
    @odstethan15 3 года назад +3

    my brain breaks more and more while learning this stuff.

  • @blazeridhz548
    @blazeridhz548 8 месяцев назад

    in 3:56 how is the hypotenuse 13, do we have to figure it out or is it the question

  • @czarinamendoza4284
    @czarinamendoza4284 5 лет назад +43

    How did you get 13 on the first problem ?

    • @anasmahmoud6186
      @anasmahmoud6186 5 лет назад +17

      you use the pythagorean theorem formula. a squared + b squared = c squared

    • @ashleycalderon2646
      @ashleycalderon2646 4 года назад +6

      MarsOnfire Lin no you’d get 13 please re check , I was also confused but gave the Pythagorean Theron a chance and got 13

    • @invisibilius1978
      @invisibilius1978 3 года назад

      @@sm_mar_vin the hypotenuse is always going to be longer than the other sides bro

  • @devondominique1140
    @devondominique1140 Год назад +6

    how do you know that the other side of the triangle is 13 in the first triangle and 17 in the second?

    • @Tres-K-47
      @Tres-K-47 Год назад +5

      He used Pythagoreans theory a^2+b^2=c^2 so 12 times twelve is 144 and 5 times 5 is 25. 25+144= 169. The square root of 169 is 13

    • @Tres-K-47
      @Tres-K-47 Год назад

      If you need more help with the concept watch a video on Pythagorean theorem

    • @Futile-l6o
      @Futile-l6o 8 месяцев назад

      @@Tres-K-47 The correct formula is actually: c= √a^2+b^2

    • @Tres-K-47
      @Tres-K-47 8 месяцев назад +1

      @@Futile-l6o literally the same thing. You really thought you did something

    • @kianyes
      @kianyes 4 месяца назад

      Pythagorean triples

  • @Relaxing_Music-w6e
    @Relaxing_Music-w6e Год назад

    Thank you ❤

  • @kaitlynrangel1998
    @kaitlynrangel1998 3 года назад +1

    Man I love you

  • @anthonyruiz7925
    @anthonyruiz7925 Год назад +2

    Here 35 minutes before its due

  • @shahin2324
    @shahin2324 4 года назад +2

    GOAT!!!

  • @eminorud1
    @eminorud1 3 года назад

    Straight up question 5 on my test

  • @mennardrosaupan7275
    @mennardrosaupan7275 3 года назад +2

    how did u get the value of hypotenuse by the way?

  • @gageh3091
    @gageh3091 4 года назад +15

    So wait, how did he know the hypotenuse was 13? That's the only thing that I was confused about, how would I find hyp. if I didn't know that it was the 5,12,13 triangle?

    • @Bzdm0
      @Bzdm0 4 года назад +3

      Pythagorean theorem
      Base^2+ Perpendicular^2 = Hypotenuse ^2

    • @gageh3091
      @gageh3091 4 года назад +8

      @@Bzdm0 I realized this very shortly after posting this, giant facepalm lol. Thank you anyways :)

  • @_anelauv
    @_anelauv 3 года назад +4

    3:57 how did u know that there is 13? where did that came from😭

    • @akahad9402
      @akahad9402 2 месяца назад

      How did you not know? He just used the pythagorean theory!

  • @KilowattTrapStars
    @KilowattTrapStars 3 года назад +1

    4:30 where did 13 come from???

    • @sameehaxo
      @sameehaxo 3 года назад

      it's the hypotneuse

  • @Rhediant
    @Rhediant 2 месяца назад

    sir just asking how is the cosecant in number problem number 2 all negative?

  • @shellarosales6284
    @shellarosales6284 2 месяца назад

    Do I still need to simplify its both numerator and denominator have common difference ?

  • @jaimyjacob6988
    @jaimyjacob6988 10 месяцев назад

    so to evaluate trig fns, we use reference angle? not the original angle? if so, how can both be theta?

  • @franzrheydolatre9328
    @franzrheydolatre9328 2 года назад +4

    How did you know that the hypotenuse is 17?

    • @tonidumawal
      @tonidumawal 9 месяцев назад

      exactly my question too

  • @Phoenix-np1iu
    @Phoenix-np1iu 8 месяцев назад

    my professor is fine but growing up homeschooled i think i got so used to doing math either one on one, with youtube, or with a very small group, so i feel like we go through topics so quickly and topics like math just stick better like this, well technically best with one on one, but yeah.

  • @yeshasim4787
    @yeshasim4787 3 года назад +2

    How to get the number in hypotenuse?

  • @jvph
    @jvph 3 года назад +1

    I have assignment now, in first example you have - 5 and 12 and after you draw, and you put 13 in R, my question is how you find the 13?

    • @christinekateregalario2224
      @christinekateregalario2224 3 года назад +11

      R=√(-5)²+(12)²=13
      You just need to square the given two points.
      You're welcome!🥰

    • @Violettahh
      @Violettahh Год назад

      @@christinekateregalario22242 years later but thank you!!! Ur the only one who explained it clearly

  • @dogielangmalakas7607
    @dogielangmalakas7607 4 года назад

    ST. BENEDICT !!!!!

  • @cobaltcrusader4935
    @cobaltcrusader4935 4 года назад

    Thanks

  • @luv.jenn1
    @luv.jenn1 4 месяца назад

    how did you get a 17 in the second example?

  • @sylviasolis4324
    @sylviasolis4324 Год назад

    what doi do if its something like (-4,0) would that just make it undefined or do I use the 0 in the 6?

  • @a.n.d.yl.e.e8074
    @a.n.d.yl.e.e8074 Год назад +1

    I’m confused, where does 13 come from?

    • @aidenbullock2596
      @aidenbullock2596 11 месяцев назад

      Pythagorean Theorem, 5 squared plus 12 squared = c squared

  • @jijygramshd6726
    @jijygramshd6726 4 года назад +2

    how are you getting the R so easily?

  • @kjs6269
    @kjs6269 10 месяцев назад

    how would you do this if you were given fractions? like (-1/5, 1/2)

  • @kenistonturk512
    @kenistonturk512 4 года назад +1

    how would you graph a negative square root

  • @dyn2519
    @dyn2519 2 года назад

    5:50 how did you know it was 17?

    • @jaymaicoabapo4062
      @jaymaicoabapo4062 2 месяца назад

      Use c^2=a^2+b^2. Formula

    • @dyn2519
      @dyn2519 2 месяца назад

      @jaymaicoabapo4062 i graduated high school and in my 2nd year of uni now but thanks

  • @samtheham1280
    @samtheham1280 5 лет назад +4

    Mr Byng can’t do crap so I’m here lol

  • @JustAngeliq
    @JustAngeliq 4 года назад

    Wish I had this in 2018🥺🥺

  • @tamarasefasi7777
    @tamarasefasi7777 4 месяца назад

    how did you come up with 13 on the hyputenuse side 😢

  • @mahdielsaid6103
    @mahdielsaid6103 3 года назад +1

    What if it's on point (0,5) what should we do?

  • @huncholous
    @huncholous 6 лет назад +6

    How do you find the hypotenuse? How did you know it’s 17? Please help

    • @Littlewarrior1987
      @Littlewarrior1987 6 лет назад +1

      pythagorean theorum or however you spell it

    • @davidlayne6736
      @davidlayne6736 6 лет назад +2

      I hope you watched English video next

    • @tanyatodd9660
      @tanyatodd9660 6 лет назад +3

      a^2 + b^2= c^2 so here it's x^2 + y^2= r^2

    • @GingerWhon
      @GingerWhon 4 года назад +1

      @@tanyatodd9660 thank you

    • @gh_liv
      @gh_liv Месяц назад

      He used a²+b²=c² to find the hypotenuse

  • @hectorrogerio2319
    @hectorrogerio2319 2 года назад

    How does this work when there is decimals into place.

  • @kvdshii8753
    @kvdshii8753 4 года назад

    How do you know what triangle to use

  • @michaelaong1174
    @michaelaong1174 4 года назад

    How’d you get the hypotenuse?

    • @jayveeaurea9091
      @jayveeaurea9091 4 года назад +3

      a^2+b^2=c^ according to the Pythagorean theorem

  • @naimanura
    @naimanura 4 года назад

    How do we know where the theta is put?

    • @daxos8813
      @daxos8813 3 года назад

      EXACTLY

    • @naimanura
      @naimanura 3 года назад

      @@daxos8813 yoow lol this was 6 months ago , i passed this class, if u are confused i can help u , but let me know

    • @yapheth
      @yapheth Год назад

      @@naimanura do u know where to put theta cuzx im confused

    • @naimanura
      @naimanura Год назад

      @@yapheth yess . Put it in between hypotenuse and Adjacent. Always!

  • @signoraonlyfans6230
    @signoraonlyfans6230 3 года назад

    may i ask how did u get r=13? im a slow learner and i dont get it?

    • @adamfaisal166
      @adamfaisal166 2 года назад

      Pythagors Theorem,, 5 square + 12 square = square root of the answer

  • @odstethan15
    @odstethan15 3 года назад

    im so confused on problem 3 where you find R. I dont get how you just split the square root like that

    • @cauacoosta
      @cauacoosta 3 года назад

      Review how to simplify radicals, it's basic maths

  • @white_stang007
    @white_stang007 2 года назад

    how do you get hypotenuse of triangle P(-5,12) he just writes it down no explanation

  • @tizi.444
    @tizi.444 4 года назад

    how do you get the coordinates of trigonometric points?

    • @allahakbar3349
      @allahakbar3349 4 года назад +1

      It should be given with the problem

  • @skrt1114
    @skrt1114 2 года назад

    W man’s

  • @leslied566
    @leslied566 2 года назад

    Wait why is the longer side 13?

  • @Relaxing_Music-w6e
    @Relaxing_Music-w6e Год назад +1

    I think you made a mistake sec is 13/-5 not -13/5

    • @kianyes
      @kianyes 4 месяца назад

      Theyre the same

  • @ramzihijjawi3204
    @ramzihijjawi3204 Год назад

    what if y axis or x axis is zero

  • @flojectorcoasters8781
    @flojectorcoasters8781 4 года назад +1

    This guy sounds exactly like Tam from Young Sheldon

  • @amberlievivares1121
    @amberlievivares1121 4 года назад

    Can someone help me how to get the 13 in the first problem?

    • @chari5676
      @chari5676 4 года назад

      25 + 144 = 169 ...get the square root, it equals to 13

  • @st4pps
    @st4pps 2 года назад

    what if the terminal side is 0

  • @mendozian5325
    @mendozian5325 Год назад

    What if my points are fractions?

  • @jenniferfloreslopez1709
    @jenniferfloreslopez1709 6 лет назад +1

    How would you find a point with a zero in the y. Example ( 2 , 0 )

    • @ayushtripathi1125
      @ayushtripathi1125 6 лет назад +1

      If the y-value is 0, then it is not a possible triangle. There is no such thing as a shape with a side value of 0.

  • @julianicolebaliber9524
    @julianicolebaliber9524 3 года назад

    How it became 13?

  • @seagenash343
    @seagenash343 3 года назад

    it's ok my R is Decimal(

  • @nicholasryan559
    @nicholasryan559 2 года назад +1

    No video is helping. Time to go to the professor...

  • @ErvinjohnFajardo-pu3kr
    @ErvinjohnFajardo-pu3kr 2 месяца назад

    How did you know that it was 13????!?!?

    • @melmel1-3-4
      @melmel1-3-4 13 дней назад

      Because of the Pythagorean theorem :) a^2 + b^2 = c^2 so he just inputted the values and square rooted the result to get the length of the hypotenuse (c^2)

  • @kelvinleon7534
    @kelvinleon7534 5 лет назад +2

    Who's watching for Ms. Law

    • @---lq7id
      @---lq7id 5 лет назад +10

      You really think you're going to find your classmates here?

    • @manthanc7727
      @manthanc7727 4 года назад

      @@---lq7id 😂

  • @signoraonlyfans6230
    @signoraonlyfans6230 3 года назад +8

    may i ask how did u get r=13? im a slow learner and i dont get it?

    • @sailsmi
      @sailsmi 9 месяцев назад

      He used Pythagoreas theorem yk a2+b2=c2