July 4th, 2017, 03:07 PM  #1 
Newbie Joined: Apr 2017 From: Bhadohi, U.P., India Posts: 18 Thanks: 0  integrate
integrate the function: (cosx)^2/(1+tanx)

July 4th, 2017, 06:32 PM  #3 
Math Team Joined: Dec 2013 From: Colombia Posts: 6,857 Thanks: 2230 Math Focus: Mainly analysis and algebra 
For rational functions of trigonometric functions, the Weierstrauss substitution $t=\tan \frac x 2$ often works well.


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caculus, integrate, integration 
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