Question

If sin θ = 3/5, find cos θ.

Answer 1

Sin squared theta + Cos squared theta = 1
Cos squared theta = 1 - Sin squared theta
Cos theta = Square root of (1 - Sin squared theta)
Insert the value of Sin theta.

Answer 2

I have no idea how to do this. :(

Answer 3

Wait, then. Let me solve on page and share its image. May take a few minutes.

Answer 4

Just solved it on paper. Going to share with you in a minute. Stay tuned.

Answer 5

Wow, that's insane. Thank you so much!

Answer 6

You're welcome :)