Trigonometric identities (AQA GCSE Further Maths): Quizzes

They are true for ALL values of the variable

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

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

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

$\frac{1}{2}$

$1$

$\frac{1}{2}$

Express everything in terms of one trig function

Work with one side only

They are true for all values

$|\sin x|$

$\frac{\pi}{3}$