Precalc

Arcsin general solutions

$x\\_1 = \text{arcsin}(x) + 2\pi k$, $x\\_2 = \pi - \text{arcsin}(x) + 2\pi k$ where $k$ is any integer.

Arccos general solutions

$x\\_1 = \text{arccos}(x) + 2\pi k$, $x\\_2 = -\text{arccos}(x) + 2\pi k$ where $k$ is any integer.

Arctan general solutions

$x=\text{arctan}(x)+\pi k$ , where $k$ is any integer.

Domain of arcsin

[-1, 1]

Domain of arccos

[-1, 1]

Domain of arctan

All real numbers

Range of arcsin

[-π/2, π/2]

Range of arccos

[0, π]

Range of arctan

(-π/2, π/2)