Linear Trigonometric Equations (AQA A-Level Mathematics): Flashcards

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

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

First and second

Second and third

Third and fourth

$0.5$

$-\frac{1}{2}$

$1$

$\theta = \tan^{-1}(k) + 180^\circ n$

Modify domain for the compound angle