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Cos[2*x]/4 - Log[Cos[x]]


Integrate[Tan[x]*Sin[x]^2, x] ==
Cos[2*x]/4 - Log[Cos[x]]



                       2
Integrate[Tan[x] Sin[x] , x] == 

Cos[2 x]
-------- - Log[Cos[x]]
   4

Time to compute: 0.09 second

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