How to integrate $\cos^2x$?
20746
Evaluating $\int P(\sin x, \cos x) \text{d}x$
126630
How to compute the integral of trigonometic function with multiple angle
77975
How to force correct answers for Integrals of Cos[mx]*Cos[nx]?
90185
Another way to evaluate $\int\frac{\cos5x+\cos4x}{1-2\cos3x}{dx}$?
80736
How to integrate $\int\frac{\sqrt{1+x^2}}{x}\,\mathrm dx$
141999
How to integrate this nasty integral
14279
Indefinite Integral with "sin" and "cos": $\int\frac{3\sin(x) + 2\cos(x)}{2\sin(x) + 3\cos(x)} \; dx $
95068
Integral of $\frac{1}{2x}$
148826
Integral of $ 1 \, / \, (1 + a \, \cos(x) )$
30127
Integration of sqrt Sin x dx
90313
Integrate $\int_0^\pi{{x\sin x}\over{1+\cos^2x}}dx$.
43484
Integration by parts: $\int e^{ax}\cos(bx)\,dx$
24358
Finding $\int \frac{dx}{a+b \cos x}$ without Weierstrass substitution.
71742
integrate $\int_0^{2\pi} e^{\cos \theta} \cos( \sin \theta) d\theta$
18672
Integrate $\int_{0}^{\pi}{\frac{x\cos{x}}{1+\sin^{2}{x}}dx}$
130668
Evaluating the integral with trigonometric integrand
23685
Integrating $\int \sin^n{x} \ dx$