# Triginometric Identities

I have been trying to solve this question for some time but I just cannot find the right solution:

Simplify: 4cosec^2X + (4cosec^2X)(cot^2X)

## Answers and Replies

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Fermat
Homework Helper
Take out the common factor.

arildno
Science Advisor
Homework Helper
Gold Member
Dearly Missed
As a follow up to Fermat's suggestion, show that:
$$1+cot^{2}(y)=\frac{1}{\sin^{2}y}$$