Multiples of $\frac{\pi}{6}$ and $\frac{\pi}{4}$
Find the exact value of:
(press option+v or alt+v for $\sqrt{\phantom{a}}$)
$\cos 30°$
$\cos 210°$
$\cos 225°$
$\cos 45°$
$\sin 90°$
$\sin 330°$
$\sin 270°$
$\sin 120°$
$\tan 45°$
$\cos 135°$
Find the exact value of:
$\sin \frac{3\pi}{2}$
$\cos \frac{\pi}{6}$
$\cos \frac{3\pi}{2}$
$\cos \frac{7\pi}{6}$
$\sin \frac{7\pi}{6}$
$\sin \frac{5\pi}{3}$
$\sin \frac{\pi}{2}$
$\sin \frac{7\pi}{4}$
$\sin \frac{4\pi}{3}$
$\sin \frac{3\pi}{4}$