$\sin( a\arcsin(x))$ in terms of rational functions and radicals
95673
General formula for $\sin\left(k\arcsin (x)\right)$
121057
Find a formula relating $\operatorname{arcsin}(x)$ and $\operatorname{arccos}⁡(x)$
77053
Evaluating $\int_{0}^{1}\frac{\arcsin{\sqrt{x}}}{x^4-2x^3+2x^2-x+1}\operatorname d\!x$
123867
Solve $(a + b\sin(x))\sin(x) = p$ for $x$
128258
Why aren't the graphs of $\sin(\arcsin x)$ and $\arcsin(\sin x)$ the same?
146180
Prove that $x\sqrt{1-x^2} \leq \sin x \leq x$
100862
Polynomials with rational zeros
29064
Can the real and imaginary parts of $\dfrac{\sin z}z$ be simplified?
15330
Double limit of $\cos^{2n}(m! \pi x)$ at rationals and irrationals
39492
Finding $z\in \mathbb C$ with $\sin z = 2$?
25065
What is $\arctan(x) + \arctan(y)$
147886
Proof of the angle sum identity for $\sin$
37677
Radical of $\mathfrak{gl}_n$
18967
Linear independence of $\sin(x)$ and $\cos(x)$
120953
Show that, $2\arctan\left(\frac{1}{3}\right)+2\arcsin\left(\frac{1}{5\sqrt2}\right)-\arctan\left(\frac{1}{7}\right)=\frac{\pi}{4}$
96388
Prove $\sin(x)\tan(x) > x^2$ for $x \in ( \,0, \frac{\pi}{2}) \,$
156597
Proving a reduction formula for the antiderivative of $\cos^n(x)$