How do you algebraically solve $x=\cos(x)$?
39461
What is the solution of $\cos(x)=x$?
40235
How would I differentiate $\sin{x}^{\cos{x}}?$
2648
Show that the equation $\cos(\sin x)=\sin(\cos x)$ has no real solutions.
31575
Solving trigonometric equations of the form $a\sin x + b\cos x = c$
25518
How can I solve the equation $x^3-x-1 = 0$?
77975
How to force correct answers for Integrals of Cos[mx]*Cos[nx]?
134587
Solve $x\sqrt{x\sqrt{x\sqrt{x\dots}}} = 4$
16866
How to Prove $a^3 \cos (B-C) + b^3 \cos (C-A)+ c^3 \cos (A-B)=3abc$?
26486
How to find all the solutions to cos$(z)=0$
73538
solving $\cos z + \sin z = i$
7296
Prove $(1-\cos x)/\sin x = \tan x/2$
104319
Real solution of $(\cos x -\sin x)\cdot \bigg(2\tan x+\frac{1}{\cos x}\bigg)+2=0.$
121237
Solving $x - a \log(x)=b$
147113
How to solve $2 \tan x / (1 - (\tan x)^2) = (\sin 2x)^2$?
36063
Finding the limit of $(1-\cos x)/x^2$
89003
Finding a trigonometric polynomial
83363
Finding the real root of a cubic algebraically