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Question Number 124043 by liberty last updated on 30/Nov/20

$$\int \frac{\sin x\cos x}{1-2\cos 2x}dx$$

Answered by john_santu last updated on 30/Nov/20

Answered by Dwaipayan Shikari last updated on 30/Nov/20

$$\int \frac{sinxcosx}{1-2cos2x}dx1-2cos2x=t\Rightarrow 4sin2x=\frac{dt}{dx}$$$$=\frac{1}{8}\int \frac{dt}{t}=\frac{1}{8}log(1-2cos2x)+C$$

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