What is the proper solution for these equations?

Logarithm Exercise Evaluate the integrals and check by differentiation. 1. [y-3)dy y2-6y+1 2. S (uz+1)2 du u3 3. S v(vz-1) dv v2+1 sin 2t dt 4. J 4-3 cos 2t e2t+e-2t 5. S e2t_e-2t - dt 6. S sec~xtan x dx 4+tan x 7. J cos 3q 3+sin 4x 8. J dx sin 4x cosx-tan x 9. S dx cos2 x 10. S csc 0 de