Tutorial Exercise Evaluate the integral. 2 sin(S) + 2 sin(S) tan2(S) see (S) 2 sin(S) + 2 sin(S) tan2(S) sec2(o) To find an antiderivative of f(8) sec2(S) Factoring out 2 sin(S) in the numerator gives us 2 sin(S) + 2 sin(S) tan2(S) sec2(8) 2 sin(S) , we will first the fraction. sec2(8)