Evaluate $3\int_{0}^{2\pi} \sin(t) \cos(t) \,{\rm d}t$
6892
Why is it not true that $\int_0^{\pi} \sin(x)\; dx = 0$?
31063
Evaluating $\int_0^2(\tan^{-1}(\pi x)-\tan^{-1} x)\,\mathrm{d}x$
150843
Evaluation of $\int_0^{\pi/4} \sqrt{\tan x} \sqrt{1-\tan x}\,\,dx$
65847
To evaluate $\int_{0}^\pi \frac {\sin^2 x}{a^2-2ab \cos x + b^2}\mathrm dx$?
29322
Evaluate $\int_{0}^{\frac{\pi}{2}} \frac{\sin^2 nx}{\sin x} \text{d}x$
97582
How do I evaluate this integral $\int_0^\pi{\frac{{{x^2}}}{{\sqrt 5-2\cos x}}}\operatorname d\!x$?
127756
Integrate $\int \sin (2x) \cos (2x)\,dx$
91212
Evaluate $\int \cos^3 x\;\sin^2 xdx$
71988
Evaluate $\int_0^{2\pi} \frac{\sin^2\theta}{5+4\cos\theta}\,\mathrm d\theta$
62450
Computing $ \int_0^{2\pi} \frac{1}{a^2\cos^2 t+b^2 \sin^2 t} dt \;; a,b>0$.
76129
Evaluate $\int_0^\infty\frac{\sin(\varphi_1x)}x\frac{\sin\varphi_2x}x\cdots\frac{\sin\varphi_nx}x\frac{\sin(ax)}x\cos(a_1x)\cdots\cos(a_mx) \, dx$
16712
Evaluate $\int_{-\pi/4}^{\pi/4}(\cos(t)+\sqrt{1+t^2}\cos(t)^3\sin (t)^3)dt$
101174
A closed form for a triple integral with sines and cosines
25489
Evaluate the Integral: $\int e^{2\theta}\ \sin 3\theta\ d\theta$
144811
Calculate $\int_0^{2\pi} \frac{1}{2+\sin(x)} \ dx$
24808
How to evaluate the integral $\int \sqrt{1+\sin(x)} dx$
110731
How to compute $\int_{0}^{1}\int_{0}^{1} \frac{x-y}{(x+y)^3} dxdy$