Trigonometry - Definitions (AQA A-Level Mathematics): Flashcards

$\frac{\text{Opposite}}{\text{Hypotenuse}}$

$\frac{\text{Adjacent}}{\text{Hypotenuse}}$

$\frac{\text{Opposite}}{\text{Adjacent}}$

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

$\sin^2 \theta + \cos^2 \theta = 1$

$1$

$\pi$

$\frac{1}{2}$

$2\sin A \cos A$

The angle whose sine is $x$