Reciprocal & Inverse Trigonometric Functions (AQA A-Level Mathematics): Quizzes

$\frac{1}{\sin \theta}$

Where $\sin \theta = 0$

$360^\circ$ or $2\pi$ radians

$(-\infty, -1] \cup [1, \infty)$

Where $\cos \theta = 0$

$\theta = \frac{\pi}{2} + n\pi$

$\frac{\cos \theta}{\sin \theta}$

$180^\circ$ or $\pi$ radians

Decreases from positive to negative $\infty$

$(-\infty, \infty)$