Trigonometric Ratios
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- Опубликовано: 10 окт 2024
- This basic trigonometry video tutorial provides an introduction into trigonometric ratios as it relates to a course in geometry. It explains how to calculate the sin, cos, and tan ratio of a right triangle given the 3 sides. You can use the pythagorean theorem to find the value of the missing side. In addition, it explains how to evaluate trigonometric functions using right triangle trigonometry and special right triangles such as the 30 60 90 triangle or the 45 45 90 triangle. This video contains plenty of examples and practice problems including find missing angles as well as missing sides.
Polygons:
• Polygons
Quadrilaterals:
• Quadrilaterals - Geometry
Points, Lines, Planes, & Segments:
• Points, Lines, Planes,...
Similar Triangles:
• Similar Triangles
Pythagorean Theorem:
• Pythagorean Theorem
_________________________________
The Distance Formula:
• Distance Formula
Distance Between 2 Points - 3D:
• How To Find The Distan...
Special Right Triangles - 30 60 90:
• Special Right Triangle...
Special Right Triangles - 45 45 90:
• Special Right Triangle...
_________________________________
Angle of Elevation Word Problems:
• Angle of Elevation and...
Finding The Missing Side of a triangle:
• How To Calculate The M...
Finding The Missing Angle of a Triangle:
• How To Calculate The M...
Two Triangle Trigonometry Problems:
• How To Solve Two Trian...
How To Find The Area of a Rectangle:
• How To Find The Area o...
________________________________
Final Exams and Video Playlists:
www.video-tuto...
Full-Length Videos and Worksheets:
/ collections
Trigonometry Formula Sheet:
bit.ly/47diggI
Trigonometry Formula Sheet: bit.ly/47diggI
Final Exams and Video Playlists: www.video-tutor.net/
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I have a quiz in an hour or two, and I've been tryin' to self-understand this topic for three days. My learning materials and textbooks are so confusing. Thank you!
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this helped me a lot omg thank you🥰❤️ i’m sitting for an mathematics paper in 8 hours
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Ok help me my subject is like a mix of vector and trigonometry and my head is in pain none of these videos has something similar like what am I supposed to do with my life
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How
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im watching this while Answering my exam, my Teacher haven't Caught me yet.
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MR. Organic Chemistry Tutor, thank you for another well-organized video/lecture on Trigonometric Ratios in Analytic/Plane Geometry. This topic is easy to understand from start to finish. All students should realize that Trigonometric functions are built off Ratios and the Unit Circle.
me at school at school:
confused --- what am i seeing
watching this video:
omg i understand this
Exactly i thought I was the only one
ok
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Omg I'm an idiot lol. Thanks for making this vid, I understand what I'm learning 100x better than what my online lesson from my school provided lmao
That would make the teacher an idiot not you
Bro I gotta take this in my first year of college and I don’t remember anything over the course of COVID.
Thank you so much for this i learned it so quick bcs u explain it clearly than my study papers 😭
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We can also use the trick :
Some (sin) curly (cos) to(tan)
People(per) black(base) prsnt(per)
Have (hypo) hair(hypo) beauty(base
I.e some people have curly black hair to present beauty...
Where per is perpendicular
Hypo is hypotenuse...
I mostly study by myself.this video have shown me to get a tutor from youtube
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jz posted video on how to calculate trigo without calculator
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This actually made me learn the lesson, like while this was being lectured they keep mixing up the terms, but there are still some things that makes it confusing for me, rather like I don't still understand some of the terms , but this helped me big time
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Thank you bro for making this video ✊. Very helpful for revision and now I get it
Really a great understanding lesson
The last example, I tink the real value of angle A is 67.38
jz posted about trigo
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When i type cos inverse and apply 300 over 200 my calculator would say error pls help
It's Tan inverse, not Cos inverse
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This shitty comment making me cringe so hard
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How did it become 56.3?
thank you for this! i am stressing with this topic for how many hours.
few! this video helped me with naplan
I learn a lot about trigonometric ratio today because of this vid❤️
I will try to learn this only in a day!
Omg thx so much this helped a lot!!!
The sides of the triangle is given in a ratio 3:5:7 and the area of the triangle is 2400sq meter.What is the smallest side?
3 ratio side is smallest
Is it the opposite and hypotenuse same for angle B in the first example. And also what is a the adjacent for angle B is it side 15 or 8 in the first example.
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Tanks for making this vedio
I still can't understand wtf
(2)
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Skill issue
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Sin 45= 1/root 2
Tand 30= root 3/2
Isn't it?
Very impressive..it really helps me alot..
thanks bro
Somebody help me how did it become 56.3??? I ryped Tan inverse 300/200 it shows 0.40546510181 what should i do?
Thank.....u so much♥️
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I get trigonometric ratios that are 1 or more is that ok?
thanks boss
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16:08 - 16:54
It would be appropriate and less confusing if the formula was B^2(X^2) = square root of C^2(52^2) - A^2(20^2) instead, as you are finding Height after all, which is equals to the square root of Hypotenuse^2 minus Base^2. I think this is something a teacher would ask you about. Why use a formula for Hyp^2 when it'd be rational to use the height formula? Just saying.
wait so at the start of the video where u said sin theta equals opp/hyp therefore it’s 15/17, but how do u know that theta is angle A? it could be C, no?
Theta is representing a variable and as far as i could understand...
Sin A means "angle at A". So opposite of angle "A" is 15 and hypotenuse is 17 as it's the longest side of the triangle.
Basically, for example
Sin A means the angle at "A"
And Sin B means angle at 'B"
Hope it helps
missed multiple math class due to oversleeping trying to understand abit rn at 12 while the quiz is tom
Which grade are u taking this cuz I'm in 10th grade taking this
I'm gonna pass precalculus classes because of you😭
I Liked every Comment what if everyone returned the favor
First of all how can I calculate sin cos and tan of any degrees like 12 without using a calculator because my school ain't letting us use them
3:28 isn't 5 suppose to be the hypotenuse?
How I wish the video is a bit louder cause I can't really hear his voice
Nice
Ur better explaining this than my fucking math teacher thanks 🙏 👍
jz posted about trigo
Pls why did u represent it with 1 2 and the square root of 3
This is the easiest lesson in the world!!!!
I did not make mistake ooo. I was referring to what this video is teaching trigonometric ratios btw to 0 to 90 degrees. People are just toxic. Always looking for ones loopholes or mistakes.
Please at 4:36 how did you get root 3,2 and 1
I am from bangladesh.but this video is quiet easy for me than Bangladeshi teachers 😅
0:34 what if only 17 is given how to find the trigonometric ratio
You shd. put degree of angle A and calculate the ratio as15/17 . You make a mistake by saying A is 8
tanks
god bless you❤
At 12:18 how Y= 18divide by cos(50) is 28? I get 18.65
Same here
really don't understand
this maths sweet
14:20 you tell it’s a 5-12-13 triangle and intuit sin A = 12/13
Do sin cos tan only work in right angle? Why
Its math
when I type tan inverse 300 over 200 my calculator says 38.18 , help me
I dont know what kind of calculator u use but for my calculator i just press the button with the S "arrow" D.
@@myredditanecdotes uhmm.. Dude it was 8 months ago, but thanks for the respond
Wait how did it become 56.3?
I type tan 300/200 it shows 0.02618592157. What should i do?
@@maracas3894 use tan -1 (tan inverse)
here i am watching this a day bfore my maths test while not knowing shit. good luck to me :)
It's 6:49pm hehehehehehe
Where'd one come from 😢 10:28
I got the hang of it.
👏
how am i going to calcu the answer in 13:52?
How to find line values
sacrifice a goat
What's the name of the last example