Question

Verify the Pythagorean Identity?1+cot^2(theta)=csc^2(theta)

Answer 1

sin²(x) cos²(x) 1
---- + ------ = -----
sin²(x) sin²(x) sin²(x)

Answer 2

this gives you sin²(x)+cos²(x)=1

or do you mean that you need to prove this is beyond just saying that it's same as sin²(x)+cos²(x)=1 ?