Trigonometry - Further Identities (AQA A-Level Mathematics): Quizzes

$\sin A \cos B + \cos A \sin B$

$\cos A \cos B + \sin A \sin B$

$2\sin \theta \cos \theta$

$1 - 2\sin^2 \theta$

The quadrant in which $\frac{\theta}{2}$ lies

$\frac{1}{2}[\sin(A+B) + \sin(A-B)]$

$2\sin\left(\frac{A+B}{2}\right)\cos\left(\frac{A-B}{2}\right)$

$\cos \theta$

$\cos \theta$

$\tan x$