SOLUTION: why is the sine of 150 degrees positive?

Algebra ->  Trigonometry-basics -> SOLUTION: why is the sine of 150 degrees positive?      Log On


   

Question 236374: why is the sine of 150 degrees positive?
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
Because it is in the second quadrant. Sin of any value in the second quadrant is positive. The second quadrant is any value between 90 and 180.