How to solve $\tan(x+100)=\tan(x+50)\tan(x)\tan(x-50)?$
67710
Determine the smallest positive value of x(in degrees) for which: $\tan(x+100^{\circ}) = \tan(x+50^{\circ})\tan (x)\tan(x-50^{\circ})$
109640
How do i find $(1+i)^{100}?$
117446
calculation of $\int_{0}^{1}\tan^{-1}(1-x+x^2)dx$
128415
Prove that $1<\frac{1}{1001}+\frac{1}{1002}+\frac{1}{1003}+\dots+\frac{1}{3001}<\frac43$
154172
Finding $\tan t$ if $t=\sum\tan^{-1}(1/2t^2)$
2491
For $0 < x < \pi/2 $, prove that $x + \frac{x^{3}}{3} <\tan x $
7296
Prove $(1-\cos x)/\sin x = \tan x/2$
10289
Need help in proving that $\frac{\sin\theta - \cos\theta + 1}{\sin\theta + \cos\theta - 1} = \frac 1{\sec\theta - \tan\theta}$
9143
Solve $u_{xx}-3u_{xt}-4u_{tt}=0$ where $u(x,0)=x^2$ and $u_t(x,0)=e^x$
51842
Simplify $\prod_{k=1}^5\tan\frac{k\pi}{11}$ and $\sum_{k=1}^5\tan^2\frac{k\pi}{11}$
86583
Taylor Series of $\tan x$
148624
Replacing Tan[x] with Sin[x]/Cos[x]
123867
Solve $(a + b\sin(x))\sin(x) = p$ for $x$
51979
Is there a geometrical method to prove $x<\frac{\sin x +\tan x}{2}$?
82286
Derivation of asymptotic solution of $\tan(x) = x$.
120168
How to calculate $\int_{0}^{\pi/2}{\{\tan(x)\}dx}$
88989
Why $x<\tan{x}$ while $0<x<\frac{\pi}{2}$?