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*Cot[2*a*x])/a


Integrate[Csc[a*x]^2*Sec[a*x]^2, x] ==
(-2*Cot[2*a*x])/a



                  2         2
Integrate[Csc[a x]  Sec[a x] , x] == 

-2 Cot[2 a x]
-------------
      a

Time to compute: < 0.01 second

Spread the word: