calculate-A-0-cos-x-n-dx-and-B-0-sin-x-n-dx-with-n-2-n-integr-natural-

Question Number 61721 by Mr X pcx last updated on 07/Jun/19

c a l c u l a t e A = \int_{0}^{\infty} c o s (x^{n}) d x

a n d B = \int_{0}^{\infty} s i n (x^{n}) d x w i t h

n ⩾ 2 (n i n t e g r n a t u r a l)