Inverse Trig Functions (Edexcel A-Level Mathematics): Quizzes

$-\frac{\pi}{2} \leq \theta \leq \frac{\pi}{2}$

$-\infty < x < \infty$ (all real numbers)

$\frac{\pi}{6}$

$0 \leq \theta \leq \pi$

$\arcsin x + \arccos x = \frac{\pi}{2}$

$\frac{\pi}{4}$

Only 1-to-1 functions have inverses

$\left(-1, -\frac{\pi}{2}\right)$

$x$

$x \leq -1$ or $x \geq 1$