Cos x is negative and sin x is negative.Which of the following is true of x?
- A.
0^{o}o - B.
90^{o}o - C.
180^{o}o - D.
270^{o}o - E.
-90^{o}o
Correct Answer: Option C
Explanation
In the 3rd quadrant, only the tan of angles are positive.
The 3rd quadrant = 180° < x < 270°