Integrals Test ...

Evaluate $$\displaystyle\int^{\pi/4}_0\tan^2xdx$$

Evaluate$$\displaystyle\int^{\pi/2}_0e^x\left(\dfrac{1+\sin x}{1+\cos x}\right)dx$$

Evaluate $$\displaystyle\int^{\pi}_0\dfrac{dx}{(1+\sin x)}$$

Evaluate : $$\displaystyle\int^9_0\dfrac{dx}{(1+\sqrt{x})}$$

Evaluate $$\displaystyle\int^1_0\dfrac{xe^x}{(1+x)^2}dx$$

Evaluate $$\displaystyle\int^{\pi/2}_{\pi/4}\cot xdx$$

Evaluate $$\displaystyle\int^{\pi/2}_{\pi/3} cosec xdx$$

Evaluate $$\displaystyle\int^{\pi/2}_0\dfrac{\cos x}{(1+\sin^2x)}dx$$

Evaluate $$\displaystyle\int^{1}_0\dfrac{(1-x)}{(1+x)}dx$$

Evaluate $$\displaystyle\int^{\pi/2}_0\cos^3xdx $$