UPSC NDA II 2011 Mathematics Paper

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Question : 26 of 120

Marks: +1, -0

What is ∫‌

dx

sin2xcos2x

equal to?

tan‌x+cot‌x+c
tan‌x−cot‌x+c
(tan‌x+cot‌x)2+c
(tan‌x−cot‌x)2+c
where c is the constant of integration.

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