∫(sinx/sin4x) dx

∫(sinx/sin4x) dx


2 Answers

Vijay Mukati
askIITians Faculty 2590 Points
7 years ago
Hint: Replace sin4x to 2(2sinx cosx)cos2x – sin2x. Multiply cosx to numberator and denomenator, Cancel sinx, replacecos2x by 1 – sin2x. Put sinx = t. You the partial fraction method to solve ahead. Substitute of value of t back. Thanks.
suman gupta
24 Points
7 years ago
(sin x2/2       /      sin x5/5)dx

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