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

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

(2*Log[2*Cos[(a*x)/2]] - Log[Cos[a*x]])/a


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



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

            a x
2 Log[2 Cos[---]] - Log[Cos[a x]]
             2
---------------------------------
                a

Time to compute: 0.03 second

Spread the word: