Alternatives for evaluating $ \int \frac { 1 } { 5 + 4 \cos x} \ dx $ ??
24358
Finding $\int \frac{dx}{a+b \cos x}$ without Weierstrass substitution.
88368
Evaluating $\int_0^1 \sqrt{1 + x ^4 } \, d x $
126054
calculate $\int_o^\pi \frac{x\sin x}{1+\cos^2x} \,dx$
60944
Evaluating an integral with ${\mathrm{d}t}$ in the numerator, $\int \frac{\mathrm{d}t}{\cos(t)^2}$.
16712
Evaluate $\int_{-\pi/4}^{\pi/4}(\cos(t)+\sqrt{1+t^2}\cos(t)^3\sin (t)^3)dt$
116219
How can I find  $\int\frac1{\sqrt[4]{1+x^4}}\mathrm dx$?
86794
Integrate $\int \frac{25 - x^2}{x^4} \operatorname d\!x$
115759
Evaluating this integral : $ \int \frac {1-7\cos^2x} {\sin^7x \cos^2x} dx $
18672
Integrate $\int_{0}^{\pi}{\frac{x\cos{x}}{1+\sin^{2}{x}}dx}$
104542
Evaluate $\frac{1}{3}+\frac{1}{4}\frac{1}{2!}+\frac{1}{5}\frac{1}{3!}+\dots$
151563
Evaluate: $\int_{0}^{\pi}\frac{\cos 2017x}{5-4\cos x}dx$
91821
Integral of type $\displaystyle \int\frac{1}{\sqrt[4]{x^4+1}}dx$
143734
Evaluating $\int \frac{\sin\left(x\right)}{1+x^2}dx$
61443
So close yet so far Finding $\int \frac {\sec x \tan x}{3x+5} dx$
95403
Evaluating $\int \frac{\sec^2 x}{(\sec x + \tan x )^{{9}/{2}}}\,\mathrm dx$
44059
Evaluating $\int_{-1}^{1}\frac{\arctan{x}}{1+x}\ln{\left(\frac{1+x^2}{2}\right)}dx$
50471
Evaluate $\int\frac1{1+x^n}dx$ for $n\in\mathbb R$