How to integrate $\int^{2\pi}_{0} \frac{dx}{\mathrm{sin}^4x +\mathrm{cos}^4x}$?
129675
How to integrate $\int \frac{1}{\sin^4x + \cos^4 x} \,dx$?
71742
integrate $\int_0^{2\pi} e^{\cos \theta} \cos( \sin \theta) d\theta$
6573
Compute $\int \frac{\sin(x)}{\sin(x)+\cos(x)}\mathrm dx$
89346
How do you integrate $\int \frac{1}{a + \cos x} dx$?
27910
How to evaluate $\int_0^{2\pi} \frac{d\theta}{A+B\cos\theta}$?
65093
Integrate $\int \sin^4x \cos^2x dx$
120168
How to calculate $\int_{0}^{\pi/2}{\{\tan(x)\}dx}$
123767
How to integrate $\int \frac{1}{\cos(x)}\,\mathrm dx$
62450
Computing $ \int_0^{2\pi} \frac{1}{a^2\cos^2 t+b^2 \sin^2 t} dt \;; a,b>0$.
49306
Calculation of $\int_0^{\pi} \frac{\sin^2 x}{a^2+b^2-2ab \cos x}\mathrm dx$
99584
Evaluation of $\int \frac{\sqrt{\sin ^4x+\cos ^4x}}{\sin ^3x \cos x }dx$
139297
Find the sign of $\int_{0}^{2 \pi}\frac{\sin x}{x} dx$
146579
What is the right first step to take when integrating $1/(2+ \sin x + \cos x)$?
147641
How to evaluate $\int \frac { \sin x+\cos x }{ \sin^4 x+\cos^4x}\, dx$?
64480
How do I find $\int_{0}^{\infty} \frac{\sin^4 x}{x^2}\,dx$?
106878
How to integrate $\int \frac{e^x dx}{1\,+\,e^{2x}}$
137060
Evaluating $\int_0^{\tfrac{\pi}{4}}\ln(\cos x-\sin x)\ln(\cos x) dx - \int_0^{\tfrac{\pi}{4}}\ln(\cos x+\sin x)\ln(\sin x)dx=\frac{G\ln 2}{2}$