Hi can someone show me the step-by-step answer to this following questions? Evaluate the integrals please answer it clearly and readable.

1.) sin3x dx sin 3/ cos 3t dt 6.) 1+ 3cos 6t 2.) [ sec' 5x dx sec- 4x dx 3.)| cos.5x dx 7.)] 1+ 4 tan 4x 4.) sec 3x tan 3x dx dt 8.) e' sin( e ') 5.)[ esc 3ycot 3y dy sin 3t dt 9.)] 1 + cos 3t cost y dy 10.) 1 - sin y