Use Cosine to Determine The Length of a Hypotenuse of a Right Triangle

This video explains how to use a trigonometric function to determine the length of a side of a right triangle.

[Elliana]

Thank you! I never learned trig in grade 10, and now that I'm in grade 12 in a pandemic, with no one to help me, I've been panicking, but this is the video that got it through my head. Thank you very much!

[charlieperez]

Thank you!! I really needed a simple explanation, and now I get it. Have an awesome day!

[anandwrld]

thank you for this! learned more trig from the video than i do in class lol

[Notxanakin]

How do you do it with the opp notthe adj

[_floofyboi_]

I'm in grade 8 learning this for fun

[Alex.rhea]

I don’t get why i’m still getting the question wrong....i’ve looked up 3 or 4 videos at this point