Writing Trig Functions as Algebraic Expressions

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Learn how to write Trigonometric Functions as Algebraic Expressions in this video math tutorial by Mario's Math Tutoring. We go through 2 examples showing you how to construct a triangle, find the missing side using Pythagorean theorem and work from the inside out to write the algebraic expression.

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Has anyone ever told you they loved you Mario? Because I love you, man.

okthen

Thank you so much! The way you explained it makes so much more sense than my textbook!!

leaf

My precalculus textbook went straight ahead with a random example instead of outlining the steps to do this. Thank you so much, Sir!

rocks

The "X over 1" being sin and cos makes this a breeze, thank you Mario.

apothe

Good god, I've spent the past hour on the same problem trying to use the info from my textbook to solve it. Came here out of frustration and understood how to do it in about 3 mins. Thank you so so so

darthanakin

Thank you sm! Online classes havent taught me anything this year, I owe my trig grade completely to you!!

FreeDoorframe

Thank you for explaining so clearly, and I appreciate your workds at the end💙

tyeegno

god you explain this 30 times easier than my teacher thank you

jeremym

THANK YOU SO MUCH U JUST SAVED MY GRADE NO CAP

soggywafflez

Found this extremely helpful for my upcoming exam

reidcipriani

helped me finish a short open book quiz literally 1 minute before it was due lol, thanks

MonsterSlam

goated video. trying to help the algorithm

ricflr

Thanks so much. This makes so much sense.

moldybeast

In the first example, you put the x value over 1 with the cosine inverse. Could this be done if the function next to x was tangent, which is opposite over adjacent, rather than a side over the hypotenuse? I don’t want to assume a value and make a mistake, but I also don’t know if my way of thinking is overcomplicating the actuality.

Probably could have known already if I was overcomplicating things, but I was an idiot and didn’t listen when taking these kinds of lessons a few years back in my math class. Definitely regretting that, taking it again in college.

jasonlshadow

Sir i have a question regarding finding the supplementary and complementary of a radian. What if the denominator if the given angle is 4Pi/15. Can is use 7.5 as a common denominator?

dom

why does mario math have only 613 views on this video when you have over 100k subscribers?

willwimbiscus

How do you solve these when there's a subtraction or addition expression in the parenthesis like tan(tan^-1 0 + sin^1 x/2)

TEN-yywx

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