Question

In which quadrant is the cosine function positive and the sine function negative?

A) 1
B) 2
C) 3
D) 4

Answer 1

cosine is positive in quadrants 1 and 4
sine is negative in quadrants 3 and 4
Therefore, D)4

Answer 2

4th quadrant

D is the correct option.

Explanation:

We can answer this question by below table.

Quadrant 1 Quadrant 2 Quadrant 3 Quadrant 4

Sine positive positive negative negative

Cosine positive negative negative positive

tangent positive negative positive negative

From the table, we can see that in 4th quadrant, cosine function positive and the sine function negative.

D is the correct option.