`int_0^(pi/2 )cos^4x`dx

Evaluate the following definite integral int_0^(pi/2) cos^4 x dx

Evaluate the following definite integral int_0^(pi/2) cos^4 x dx

Evaluate the definite integrals int_0^(pi/2)(cos^2x dx)/(cos^2x+4sin^2x)

Evaluate: int_0^(2pi)cos^5x\ dx

Evaluate the following integrals: int_0^(pi//4)|cos2x|dx

Evaluate: int_0^(pi//2)(cos^2x)/(cos^2x+4sin^2x)dx

Evaluate the following integral: int_0^(pi//2)(cos^2x)/(sinx+cos x)dx

If I_(1)=int_(0)^(pi//2) cos(sin x) dx,I_(2)=int_(0)^(pi//2) sin (cos x) dx and I_(3)=int_(0)^(pi//2) cos x dx then

Evaluate : int_0^(pi//2)(a^2cos^2x+b^2sin^2x)dx

Evaluate the following integral: int_0^(pi//4)cos^4xsin^3x\ dx