`int_(pi//6)^(pi//4)sin2x\ dx`

int_(-pi//4)^(pi//4)sin^(2)x dx=

int_(pi//6)^(pi//4)cosec 2x dx=

int_(pi//6)^(pi//4)cosec 2x dx=

(i) int_0^(pi//2) sin^2 dx =pi/4 (ii) int_0^(pi//2) cos^2x dx=pi/4 (iii) int_(-pi//4)^(pi//4) sin^2 x dx=pi/4-1/2 (iv) int_(-pi//4)^(pi//4) cos^2x dx=pi/4+1/2

Evaluate int_(-pi/4)^(pi/4) sin^2 x dx

int_(-pi//4)^(pi//4) sin^(2) x dx

Evaluate int_(-pi//6)^(pi//6) sin^3 x dx

int_(pi//6)^(pi//3) sin(3x)dx=

int_(pi//6)^(pi//3) sin(3x)dx=