How does $\arccos$ actually work?
109628
How is arccos derived?
95673
General formula for $\sin\left(k\arcsin (x)\right)$
125966
Why there's a finite $\Gamma '$ such that $\Gamma ' \vDash \varphi$?
95108
Alternative form of ArcSin[Sin[x]]
105774
How is $ \cos (\alpha / \beta) $ expressed in terms of $\cos \alpha $ and $ \cos \beta $?
24391
$\arcsin$ written as $\sin^{-1}(x)$
152890
What amplification can I apply to $y=\sin x$ for it to be a perfect oscillating arc?
25065
What is $\arctan(x) + \arctan(y)$
93365
Solutions of $\arctan x = 1 - x$. Proofs?
57443
Confusion With How Dimensions Work
37246
Armijo rule intuition and implementation
104456
Show that $\lim_{n\to\infty}b_n=\frac{\sqrt{b^2-a^2}}{\arccos\frac{a}{b}}$
151502
Finding the inverse of the arc length function
25032
How to calculate $\theta = \arcsin\left(\frac{1}{2}\right)$ with given four function calculator?
116283
How to properly interpret a seemingly contradictory result in Mathematica?
25569
Intuitive understanding of the derivatives of $\sin x$ and $\cos x$
123392
How does $cos(x) = \frac{\vec{v} \cdot \vec{w}}{|\vec{v}| \cdot |\vec{w}|}$ make sense?