int_(0)^( pi)cos^(2)x cos^(3)(2n+1)xdx

For any integer n, the integral int_(0)^(pi)e^(cos^(2)x)cos^(3)(2n+1)xdx has the value a) pi b)1 c)0 d)None of these

Evaluation of definite integrals by substitution and properties of its : If n is an integer int_(0)^(pi)e^(cos^(2)x)cos^(3)(2n+1)xdx=............

For any integer n, the integral int_(0)^( pi)e^(cos^(2))cos^(3)(2n+1)xdx has the value

int_(0)^(2 pi)cos^(7)xdx

int_(0)^(2 pi)cos^(4)xdx

Q.int_(0)^( pi)(e^(cos^(2)x)(cos^(3)(2n+1)xdx,n in I

int_(0)^( pi/2)cos^(3)xdx

int_(0)^(2 pi)cos^(5)xdx=

int_(0)^( pi/2)cos^(6)xdx