How do I solve $\int4\cos^2(x) dx$?
20746
Evaluating $\int P(\sin x, \cos x) \text{d}x$
152977
Integrate $\int\sqrt{x+\sqrt{x^{2}+2}} dx$ .
151563
Evaluate: $\int_{0}^{\pi}\frac{\cos 2017x}{5-4\cos x}dx$
67450
How do you integrate $e^{x^2}$?
67629
How to evaluate these indefinite integrals with $\sqrt{1+x^4}$?
26486
How to find all the solutions to cos$(z)=0$
123767
How to integrate $\int \frac{1}{\cos(x)}\,\mathrm dx$
154067
Not sure how to go about solving this integral
135519
How to approach solving $\int_0^{\pi/2} \ln(a^2 \cos^2 x +b^2 \sin^2 x ) dx$
5747
$\cos(\arcsin(x)) = \sqrt{1 - x^2}$. How?
147641
How to evaluate $\int \frac { \sin x+\cos x }{ \sin^4 x+\cos^4x}\, dx$?
104138
How to integrate $\int\limits_0^\infty e^{-a x^2}\cos(b x) dx$ where $a>0$
29370
Trig integral $\int ( \cos{x} + \sin{x}\cos{x}) \, dx $
51488
Evaluating $\int^\pi_{-\pi} \cos^3(x) \cos(ax)~dx$
97582
How do I evaluate this integral $\int_0^\pi{\frac{{{x^2}}}{{\sqrt 5-2\cos x}}}\operatorname d\!x$?
6483
Computing $\int_{0}^{\pi}\ln\left(1-2a\cos x+a^2\right) \, dx$
141516
Solve $\int_0^{+\infty} \Big(\frac{\sin t}{t}\Big)^2 \ dt$