int(9sin x-7cos x-(6)/(cos^(2)x)+(2)/(sin^(2)x)+cot^(2)x)dx

int(9sinx - 7 cosx - 6/(cos^(2)x) + 2/(sin^(2)x)+ cot^(2)x) dx

Evaluate the following integrals: int{3sin x-4cos x+(5)/(cos^(2)x)-(6)/(sin^(2)x)+tan^(2)x-cot^(2)x}dx

Evaluate: (i) int(1-cos x)/(1+cos x)dx (ii) int{3sin x-4cos x+(5)/(cos^(2)x)-(6)/(sin^(2)x)+tan^(2)x-cot^(2)x}dx

int(sin^(2)6x-cos^(2)7x)dx=

int((7)/(cos^(2)x)-(3)/(sin^(2)x))dx

"int(sin^(2)x+cos^(2)x)/(sin^(2)x*cos^(2)x)dx

int(sin^(6)x + cos^(6)x)/(sin^(2)xcos^(2)x)dx

I=int(sin^(2)x-cos^(2)x)/(sin^(2)x*cos^(2)x)dx

int(dx)/(4sin^(2)x+9cos^(2)x)

int(sin x cos x)/(a^(2)sin^(2)x+b^(2)cos^(2)x)dx