Solve the equation $\cos^n(x) - \sin^n(x)=1$
45343
Solve $\cos^{n}x-\sin^{n}x=1$ with $n\in \mathbb{N}$.
281
How one can prove $\prod_{k=1}^{n-1} (\cos\theta-\cos(k\pi/n)) = 2^{1-n}\sin(n\theta)\csc\theta$?
2648
Show that the equation $\cos(\sin x)=\sin(\cos x)$ has no real solutions.
89319
How can I find all the solutions of $\sin^5x+\cos^3x=1$
31575
Solving trigonometric equations of the form $a\sin x + b\cos x = c$
28161
Solve $\lim_{x\to 0} \frac{\sin x-x}{x^3}$
76716
Solve an equation in $\mathbb{R}^+$
89003
Finding a trigonometric polynomial
26814
Solve $\int \frac{1}{\sin ^{\frac{1}{2}}x \cos^{\frac{7}{2}}x}dx$
147113
How to solve $2 \tan x / (1 - (\tan x)^2) = (\sin 2x)^2$?
37040
Prove reduction formula for $\int \cos^n (x)\sin^m (x) \, dx$
57750
Solve identity: $\frac {\sin x}{1-\cos x} = \frac {1+\cos x}{\sin x}$
56170
Solve a complex equation symbolically?
69791
How to solve: T(n) = T(n - 1) + n
152169
How would we solve this trigonometric equation using vectors?
27628
Solving $a \sin\theta + b \cos\theta = c$
123867
Solve $(a + b\sin(x))\sin(x) = p$ for $x$