`int(sin^3x+sin^5x)/(cos^2x+cos^4x)dx`

(i) int 1/ (cos^4x+sin^4x)dx (ii) int 1/(sin^4x+sin^2x cos^2x+cos^4x) dx

int(5cos^3x+7sin^3x)/(sin^2xcos^2x)dx

int(5cos^3x+7sin^3x)/(3sin^2xcos^2x)dx

int(sin^3 2x)/(cos^5 2x)dx=

int 1/(sin^2x cos^4x)dx

int sin^3x cos^5x dx

int(sin x)/(cos3x*cos2x)dx

int(4-5sin x)/(cos^(2)x)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