Question

What the heck?
http://prntscr.com/8fsbd8

Answer 1

My thought process:
\[\csc\theta=1+\cot^{2}\theta=1+\left(\frac{\cos\theta}{\sin\theta}\right)^{2}=\]

Answer 2

I forgot the square root in the first post

Answer 3

why not just use

csc = 1/sin


and sin = \(\sqrt{(1-\cos^2 )}\)

Answer 4

Oh

Answer 5

I feel stupid

Answer 6

don't! your way isn't incorrect :)

Answer 7

It doesn't let me correct it. Oh well I will learn to be less hasty next time in submitting the answer lol @hartnn thank you!

Answer 8

good luck! :)
welcome ^_^