समाकलन करें
`int cos^2 n theta d theta`

int (sin theta + cos theta) * d theta

int (1)/(4 + 5 cos 2 theta) d theta =

int_(0)^( pi/2)cos^(9)theta d theta

Evaluate the following integrals : int cos^(2) theta d theta

int_(0)^( pi/2)cos^(9)theta d theta

int_(0)^( pi/2)cos^(3)theta d theta

int_ (0) ^ (2 pi) e ^ (cos theta) cos (sin theta) d theta

int_(0) ^(pi//2) cos^(2) theta d theta =

Let the be an integrable function defined on [0,a] if I_(1)=int_(pi//2)^(pi//2) cos theta f(sin theta cos ^(2) theta)d theta and I_(2)=int_(0)^(pi//2)sin 2 theta f(sin theta cos ^(2) theta)d theta then

int_ (0) ^ ((pi) / (2)) cos ^ (4) theta d theta