Pls help me to solve this question......................................???!!???!?????

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Aditya Gupta · Answer

put theta = x note that cosx+sinx/cosx-sinx= tan(x+pi/4) now, put x+pi/4=y so integral becomes sin2ylntanydy now integrate by parts taking first function u as lntany and second function v as sn2y

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Pls help me to solve this question......................................???!!???!?????

Pls help me to solve this question......................................???!!???!?????

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