Determine the signs of the given trigonometric functions of an angle in standard position with the given measure.
-$\cos \left( - 185 ^ { \circ } \right)$ and $\tan \left( - 185 ^ { \circ } \right)$
A) positive and negative
B) negative and positive
C) positive and positive
D) negative and negative

Question

Quizplus · Accepted Answer

The angle $-185^\circ$ is in the third quadrant, where cosine is negative and tangent is positive. However, since the angle is negative, it reflects over the x-axis, making tangent negative as well.

Determine the Signs of the Given Trigonometric Functions of an Angle