MCQ: comparing two quantities; $\tan(1)$ and $\frac{\pi}{2}$
65562
Proving the inequality $\arctan\frac{\pi}{2}\ge1$
28890
Why does the tangent of numbers very close to $\frac{\pi}{2}$ resemble the number of degrees in a radian?
17769
Show that $\frac{\sin x}{\cos 3x}+\frac{\sin 3x}{\cos 9x}+\frac{\sin 9x}{\cos 27x} = \frac{1}{2}\left(\tan 27x-\tan x\right)$
147113
How to solve $2 \tan x / (1 - (\tan x)^2) = (\sin 2x)^2$?
51842
Simplify $\prod_{k=1}^5\tan\frac{k\pi}{11}$ and $\sum_{k=1}^5\tan^2\frac{k\pi}{11}$
109790
Finding the value of $\int_0^{\pi/2} \frac{dt}{1+(\tan(x))^{\sqrt{2}}}$
21003
Comparing $\pi^e$ and $e^\pi$ without calculating them
150417
Two apparently different antiderivatives of $\frac{1}{2 x}$
30600
Why does $\tan^{-1}(1)+\tan^{-1}(2)+\tan^{-1}(3)=\pi$?
70765
If $\frac{\tan(a+b-c)}{\tan(a-b+c)}=\frac{\tan c}{\tan b}$, then $\sin(b-c)=0$ or $\sin 2a + \sin2b + \sin 2c=0$
154172
Finding $\tan t$ if $t=\sum\tan^{-1}(1/2t^2)$
138230
Evaluate $ \int^{\frac{\pi}{2}}_0 \frac{\sin x}{\sin x+\cos x}\,dx $ using substitution $t=\frac{\pi}{2}-x$
123920
How prove this inequality $\tan{(\sin{x})}>\sin{(\tan{x})}$
97011
Proving that $\prod_{k=1}^{n}\tan\left(\frac{\pi k}{2n+1}\right)=\sqrt{2n+1}$ using geometry
85872
Prove $1 + \tan^2\theta = \sec^2\theta$
2491
For $0 < x < \pi/2 $, prove that $x + \frac{x^{3}}{3} <\tan x $
120953
Show that, $2\arctan\left(\frac{1}{3}\right)+2\arcsin\left(\frac{1}{5\sqrt2}\right)-\arctan\left(\frac{1}{7}\right)=\frac{\pi}{4}$