Asked by Wawen
Integrate : ∫(cot2x-csc2x)^2dx
Answers
Answered by
Reiny
recall that cot^2 x +1 = csc^2 x
so
∫(cot^2 x-csc^2 x)^2dx
= ∫(cot^2 x-(cot^2 + 1)^2dx
= ∫ -1 dx
take over
so
∫(cot^2 x-csc^2 x)^2dx
= ∫(cot^2 x-(cot^2 + 1)^2dx
= ∫ -1 dx
take over
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