3. Unit Circle

Find the sine, cosine, and tangent of each angle using the unit circle.

$\(\theta\)=-1.18$ rad, $\(\left\)(\(\frac{5}{13}\),-\(\frac{12}{13}\)\(\right\))$

Find the sine, cosine, and tangent of each angle using the unit circle.

$\(\theta\)=225\(\degree\),\(\left\)(-\(\frac{\sqrt2}{2}\),-\(\frac{\sqrt2}{2}\)\(\right\))$

On the unit circle, which trigonometric functions are undefined when $x=0$?

On the unit circle, which of the following points would map onto itself after a reflection across the line $y=-x$?