Pls help me to solve this question......................................???!!???!?????
MANOJ MISHRA , 6 Years ago
Grade
Integral Calculus> Pls help me to solve this question..........
1 Answers
Aditya Gupta
Last Activity: 6 Years ago
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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