A point P on the unit circle corresponds to an angle $\theta = 150^\circ$. State the coordinates o

Question

A point P on the unit circle corresponds to an angle $\theta = 150^\circ$. State the coordinates of P, then find $\sin\theta$, $\cos\theta$ and $\tan\theta$ exactly.

Accepted Answer

$\sin\theta=\frac12, \cos\theta=-\frac{\sqrt3}{2}, \tan\theta=-\frac{\sqrt3}{3}.$

Trigonometry

Trigonometry

Solution:

Solution locked