integrate dx/1+3sin^2 x+8cos^2x Evaluate: ∫(1/1+3sin2x + 8cos2x)dx Evaluate: int 1/(1+3sin^2x+8cos^2x) dx Integrate with respect to x dx/(1+3sin^2x+8cos^2x) integrate dx/3sin²x + 8cos²x #calculus