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(29A) The Unit Circle

Find the exact value of:

$\cos 180°$

$\cos 90°$

$\cos 300°$

$\sin 210°$

$\cos 270°$

$\cos 150°$

$\cos 30°$

$\cos 315°$

$\cos 120°$

$\sin 270°$

$\tan 45°$

$\sin 315°$

$\cos 60°$

$\cos 45°$

$\sin 180°$

$\sin 120°$

$\cos 240°$

$\sin 240°$

$\sin 30°$

$\cos 0°$