Find general solution for $\tan{x} +\tan{2x} +\tan{3x}= 0$
86894
Finding solution of a Trigonometric equation
68881
Solve for $\theta$: $a = b\tan\theta - \frac{c}{\cos\theta}$
42391
Calculate $\tan9^{\circ}-\tan27^{\circ}-\tan63^{\circ}+\tan81^{\circ}$
57129
How to find an integer solution for general Diophantine equation $ax + by + cz + dt... = N$
43537
How can $x^2y''-3xy'+3y=0$ be solved?
82170
Solve $x = \frac{1}{2}\tan(x)$
144841
Find general solution $y''y^3=1$
117785
Express solutions of equation $ \tan x= x $ in closed form
2676
Finding $\frac {d(\tan \theta)}{d\theta}$
9539
$\alpha$ and $\beta$ are solution of $a \cdot \tan\theta + b \cdot \sec\theta = c$ show $ \tan(\alpha + \beta) = \frac{2ac}{a^2 - c^2}$
17769
Show that $\frac{\sin x}{\cos 3x}+\frac{\sin 3x}{\cos 9x}+\frac{\sin 9x}{\cos 27x} = \frac{1}{2}\left(\tan 27x-\tan x\right)$
52413
Show that $\tan{(\pi/7)} \tan{(2\pi/7)}\tan{(3\pi/7)}=\sqrt{7}$
96388
Prove $\sin(x)\tan(x) > x^2$ for $x \in ( \,0, \frac{\pi}{2}) \,$
147113
How to solve $2 \tan x / (1 - (\tan x)^2) = (\sin 2x)^2$?
47206
$-1 = 0$ by integration by parts of $\tan(x)$
142610
Solving $\sin x\cos3x+\cos x\sin3x=\sqrt{3}/2$ in the interval $[0,2\pi]$
133255
$\tan(z)=i$, no solution