`" (5) "int cos^(3)x*sinxdx`

int cos^(2/7)x sinxdx

" (5) "int e^(cos x)sinxdx

int(cos x)^(3/5)sin xdx

" (5."int sin^(3)x cos xdx

int cos(3x+5)dx

int (1+cosx)^(5) sinxdx

2. int e^(x)sinxdx

int(1+cosx)/sinxdx

(i) int e^(3x) cos 5x dx (ii) int e^(3x) sin 4x dx

Evaluate: ( i int(sin^(3)x-cos^(3)x)/(sin^(2)x cos^(2)x)dx (ii) int(5cos^(3)x+6sin^(3)x)/(2sin^(2)x cos^(2)x)dx