Homework Statement
Prove that this is an identity.
1 + cos² x / sin² x = 2csc² - 1
Homework Equations
cos²x + sin²x = 1 (manipulative equation)
tan²x = sec² - 1
cot²x = csc²x - 1
etc..
The Attempt at a Solution
I attempted this equation more than 10+ times. Each time, I find a...