Evaluate ∫ sin ( 2 tan^-1 x )+ ( 1 + x^2 ) dx Share with your friends Share 0 Anuradha Sharma answered this ∫sin2tan-1x1+x2dxLet 2tan-1x = t such that 21+x2dx= dt=12∫sintdt= -cost2+C= -cos 2tan-1x2+C 2 View Full Answer
