\fEvaluate the following integrals using Is - 12: 1. ) sin 3y dy 2.) | B sin(5 - BZ) dB 3.) [ sec (x) dx 4.) e20 sec eza da 5.) cos (2z + 3) dz 6.) sin t (cost) dt 7.) [ CSC3 0de csc(In x) dx 8. ) X