Integrate within limits

Integrate within limits

Question Image
Grade:Select Grade

1 Answers

1698 Points
7 years ago
answer is 2pi
using king property we get the integral  as (cospx+sinqx)2 
now add both of integrals and we get  2I=2(cos2px+sin2qx)    and change the limits to  0 –  pi
use property that 1+cos2x=2cos2x
we get cos x get cancelled and answer is 2pi
approve if useful

Think You Can Provide A Better Answer ?