Signs in quadrants
This app will help you learn the SIGNS of the quadrants for the basic trig functions.
Click on which trig function you want to view.
Move point P so that you see the SIGN.
What is the sign for each:
1. sin x in quadrant IV?
2. cos x in quadrant III?
3. tan x in quadrant II?
4. csc x in quadrant I?
5. cot x in quadrant II?
6. Why is the sign of sin x positive in quadrants I and II?