" Find: "int(1)/(1+cos x)dx

Evaluate: (i) int(1)/(1-cos x)dx( ii) int(1)/(1-sin x)dx

Evaluate: int(1)/(1+sin x+cos x)dx

Evaluate: int(1)/(1+sin x+cos x)dx

Evaluate: int(1)/(1-sin x+cos x)dx

Evaluate :int(1)/(1+cos x)dx

Evaluate: int(1)/(1+2cos x)dx

Evaluate: (i) int(1)/(1+cos2x)dx (ii) int(1)/(1-cos2x)dx

Evaluate: (i) int(1)/(sqrt(1+cos2x))dx (ii) int(1)/(sqrt(1-cos x))dx

Evaluate: (i) int(1)/(sqrt(1-cos2x))dx (ii) int(1)/(sqrt(1+cos 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