Mathematics

Cos x is negative and sin x is negative.Which of the following is true of…

Cos x is negative and sin x is negative.Which of the following is true of x?

  • A.
    0oo
  • B.
    90oo
  • C.
    180oo
  • D.
    270oo
  • E.
    -90oo
Correct Answer: Option C
Explanation

In the 3rd quadrant, only the tan of angles are positive.

The 3rd quadrant = 180° < x < 270°