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How do you simplify this expression... cot2x over csc2x-cscx... please note that cot2x and csc2x are really just raised to the second power?
Wiki User
∙ 12y ago
I assume the expression is cot^2 x / ( csc^2 x - csc x)
express it in terms of sin x and cos x:
=(cos^2 x / sin^2 x) / (1/sin^2 x - 1/sin x)
=(cos^2 x / sin^2 x) / [(1 - sin x)/sin^2 x]
=cos^2 x / (1 - sin x)
= (1 - sin^2 x) / (1 - sin x)
= (1 + sin x)(1 - sin x) / (1 - sin x)
= 1 + sin x
Wiki User
∙ 12y ago
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