integrals.wolfram.com   Use one of Mathematica's 2500+ functions FREE online

Wolfram Mathematica Online Integrator
The world's only full-power integration solver
∫

x - Tan[(a*x)/2]/a


Integrate[Cos[a*x]/(1 + Cos[a*x]), x] ==
x - Tan[(a*x)/2]/a



            Cos[a x]
Integrate[------------, x] == 
          1 + Cos[a x]

        a x
    Tan[---]
         2
x - --------
       a

Time to compute: 0.07 second

Spread the word: