9.3 This is Differential and Integral Calculus. I need help. Thankyou in advance

EXERCISE 9.3 Evaluate each of the following: 1 . sec5xtan5xdx 2. dx sinxcosx 3. sinx + cosx dx sin x 4. sec2 (4x - 3)dx 5. dx sin 2xcot-7x 6. dx 1 - COSX 7. cos & dx 1-sinx 8. cos4x dx sin 2x 9 . (1 + tanx)? dx 10. *" cos4x3 dx 11. cos6xdx cos2 3x 12. - sin2xsecxdx 13. sin2xdx 2sinxcos2 x 14. (cotx +. tanx )2 dx 4sin xcos? x 15. sin2xcos2x dx dx 16. tan5x dx 17. sin 3xtan3x