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April 20, 2014

Homework Help: Math

Posted by Jake on Wednesday, January 25, 2012 at 6:58pm.

What is the first step. Explain please.

Which expression is equivalent to cos^2x + cot^2x + sin2^x?

a) 2csc^2x
b) tan^2x
c) cot^2x
d) csc^2x

cos^2x + cot^2x + sin2^x

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