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v Compute the definite integrals. Use a graphing utility to confirm your answers. 1 38/ 111de 1 e 1 39. f 113821- (in: (Express the answer in exact form.) 0 1 4D.f edzt: (let u = ] 0 e g. f h1(a:2)d:t: 1 11' 42. f mcosa: d2? 0 11' E. f mains; d1: (Express the answer in exact form.) ?T 3 44. / 111(222 | Dds": (Express the answer in exact form.) 0 1r/2 45. f $2sinzt: d2: (Express the answer in exact form.) 0