How do I evaluate $\int \cot^2x$?
117602
How to evaluate $\int \cot^2(x) \;\mathrm dx$?
85081
$\int_{0}^{\infty} \frac{\cos x - e^{-x}}{x} \mathrm dx$ Evaluate Integral
79279
Integral of cosec squared ($\operatorname{cosec}^2x$, $\csc^2x$)
47923
For $n\in\mathbb{N}$, evaluate $\int_0^n \cos(2\pi \lfloor x\rfloor\{x\})dx$
74143
Simplifying and evaluating $\cot 70^\circ+4\cos 70^\circ$
20746
Evaluating $\int P(\sin x, \cos x) \text{d}x$
38949
How to Evaluate $\int e^{2x}\sin(3x)\ dx$?
121403
How to integrate $ \int x^n e^x dx$?
27002
Evaluating $\int\limits_0^{\pi} \frac{dx}{1+2\sin^2x}$
70375
Wallis Product with integrals
112675
Integration by parts of $\cot x$
30459
Evaluate $\int^1_0 \log^2(1-x) \log^2(x) \, dx$
51787
Evaluate $\int \cos(3x) \sin(2x) \, dx$.
121071
Calculation of $\int^{\pi/2}_{0}\cos^{n}(x)\cos (nx)\,dx$, where $n\in \mathbb{N}$
67629
How to evaluate these indefinite integrals with $\sqrt{1+x^4}$?
81057
Evaluation of $\int_{\frac{1}{e}}^{\tan x}\frac{t}{1+t^2}dt+\int_{\frac{1}{e}}^{\cot x}\frac{1}{t(1+t^2)}dt$
67655
Simpler way to compute a definite integral without resorting to partial fractions?