Compound Angle Formulae (AQA A-Level Mathematics): Flashcards

Express trig functions of sums/differences in terms of individual angles

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

$\sin A \cos B - \cos A \sin B$

$\cos A \cos B - \sin A \sin B$

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

$\frac{\tan A + \tan B}{1 - \tan A \tan B}$

$\frac{\tan A - \tan B}{1 + \tan A \tan B}$

Do not apply

Divide sine formula by cosine formula

$\cos \theta$