` int _0^(2pi) cos ^(5)x dx `

int_(0)^(pi) cos^(5) x dx=

int_(0)^(2pi) x cos^(6) x dx=

I=int_(0)^(2 pi)cos^(5)x*dx

Evaluate int_(0)^(2 pi ) cos^(5) x dx

int _(0) ^(pi) (cos ^(2) x ) dx,

Prove that: int_(0)^(pi)cos^(5)x dx = 0

int_(0)^(2 pi)cos^(5)x*dx

Using properties evaluate the following definite integrals, evaluate the following: int_0^(2pi) cos^5x dx

Evaluate int_(0)^(pi//2) cos^(5) x dx .