Solving Trig Equations (Leaving Cert Mathematics): Quizzes

All values of $x$ in specified domain

Identities, inverse functions, symmetry

Isolate the trigonometric function

$\sin^{-1}, \cos^{-1}, \tan^{-1}$

Periodicity of the trig function

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

Verify solutions in specified domain

$\frac{\pi}{6}, \frac{5\pi}{6}$

The unit circle

$(2\cos x + 1)(\cos x - 1) = 0$

$\frac{2\pi}{3}, \frac{4\pi}{3}$

$0, \frac{2\pi}{3}, \frac{4\pi}{3}$