Answers: 1
![[\because 1+\cos 2x=2\cos^2x,1-\cos 2x=2\sin^2x]](/tpl/images/1348/6382/9bb0b.png)
![\left[\because \tan \theta =\dfrac{\sin \theta}{\cos \theta}\right]](/tpl/images/1348/6382/928e4.png)
![[\because 1+\tan^2 \theta =\sec^2 \theta]](/tpl/images/1348/6382/a49f8.png)
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Find the integration of (1-cos2x)/(1+cos2x)...
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