Please answer 11, 13, 15, 17, 19, and 21
64% g:15 PM 11-22 Evaluate the integrals using Part 1 of the Fundamental Theorem of Calculus 13. dx 15. 2irdr 17 sin θ di 18. 19. cos x dx 20. 2x secxtanx) d 21. 23-24 Use Theorem 4.3.5 to evaluate the given integrals. 23. (a) 2x-1 ldr (b)cosd 24. aV -cos d 25-26 A functionR) is defined piecewise on a nterval. In these exercises: (a) Use Theorem 1.5.5 to find the integral of ·Ax> over the interval. t) Find an antiderivative offx) on the interval. (c) Use parts (a) and (b, to verify Part 1 of the Funda- mental Theorem of Calculus 25, f(x) = 1ãã 2 26. fix)- 121