Difference between $\sin(\arcsin(x))$ and $ \arcsin(\sin x)$
128258
Why aren't the graphs of $\sin(\arcsin x)$ and $\arcsin(\sin x)$ the same?
55436
Why does $A\sin{k(x+c)}=a\sin{kx}+b\cos{kx}$ imply that $A=\sqrt{a^2+b^2}$ and $\tan{c}=-b/a$?
62137
question about the limit $\lim_{h\to0}\frac{\arcsin(x+h)-\arcsin(x)}{h}$
69803
An elementary proof of $\int_{0}^{1}\frac{\arctan x}{\sqrt{x(1-x^2)}}\,dx = \frac{1}{32}\sqrt{2\pi}\,\Gamma\left(\tfrac{1}{4}\right)^2$
23018
Integral $\int_a^\infty \frac{\arctan(x+b)}{x^2+c}dx$
46642
Continuity of $\sin(x)/x$
53537
Evaluate $\lim_{n\rightarrow\infty}\sum_{k=1}^n\arcsin(\frac k{n^2})$
94283
Different ways finding the derivative of $\sin$ and $\cos$.
40556
Why is $\sin(\alpha+\beta)=\sin\alpha\cos\beta+\sin\beta\cos\alpha$
108223
If $\cos x=\cos y$ and $\sin x=\sin y$ is $x=y$ or $x=2\pi,y=0$ or $x=0,y=2\pi$? $x,y\in[0,2\pi]$
120953
Show that, $2\arctan\left(\frac{1}{3}\right)+2\arcsin\left(\frac{1}{5\sqrt2}\right)-\arctan\left(\frac{1}{7}\right)=\frac{\pi}{4}$
19610
$\operatorname{arsinh}$ vs $\operatorname{arcsinh}$
97213
Why does $\sin(0)$ exist?
158210
showing $\arctan(\frac{2}{3}) = \frac{1}{2} \arctan(\frac{12}{5})$
18473
Proof for the formula of sum of arcsine functions $ \arcsin x + \arcsin y $
16559
Difference between $\mathbb{Z}/n\mathbb{Z}$ and $\mathbb{Z}_n$
34918
Difference between $R^\infty$ and $R^\omega$