Question

It's either A or B.
Which of the following is true?


Tangent is negative in Quadrant I.
Sine is negative in Quadrant II.
Cosine is negative in Quadrant III.
Sine is positive in Quadrant IV.

Answer 1

Use that to help you. You can remember it as All Students Take Calculus

All are positive in the first quadrant
Only sin/csc is positive in the second quadrant
Only tan/cot is positive in the third quadrant
Only cos/sec is positive in the fourth quadrant

Answer 2

It should be A. Thx :D

Answer 3

A is wrong