express tan(x) as a power series using maclauran's theorem.
86583
Taylor Series of $\tan x$
52413
Show that $\tan{(\pi/7)} \tan{(2\pi/7)}\tan{(3\pi/7)}=\sqrt{7}$
117446
calculation of $\int_{0}^{1}\tan^{-1}(1-x+x^2)dx$
97326
Find $\lim_{x \to 0} (\frac{\tan(x)}{x})^{\frac{1}{x}}$
84730
use the fact that $\tan 2x=\sin2x \ /\cos2x$ to prove that $\tan 2x=2\tan x/(1-\tan^2x)$
21970
Convergence of the Power Series for $xu''+\sin(x)u=0$
131276
Maclaurin series of $\ln(1-x+x^2)$
138914
Reduction formula for $\int \tan^n x dx$
123997
Finding an expression for $\tan (a+ b + y)$ which involves only $\tan a, \tan b,$ and $\tan y$.
84846
Convergence of cos, sin, tan functions
74692
Simple Power Series Expansion for Problems similar to $f = (1 + \epsilon \,x)^{1/\epsilon}$
118456
Find $\sum_{n=1}^{\infty}\tan^{-1}\frac{2}{n^2}$
61547
Derive an explicit formula for a power series $\sum_{n=1}^\infty n^2x^n$
35260
Evaluate the limit $\displaystyle\lim_{x \to 0}\frac{(e-\left(1 + x\right)^{1/x})}{\tan x}$.
54374
Alternating Series Using Other Roots of Unity
147113
How to solve $2 \tan x / (1 - (\tan x)^2) = (\sin 2x)^2$?
17438
Evaluate $\lim_{n\to \infty} \sum_{r=1}^n \frac {1}{2^r}\tan \left(\frac {1}{2^r}\right)$