SOLUTION: If cos x = -(1/3) in quadrant 3, find the exact value of sin x

Algebra ->  Trigonometry-basics -> SOLUTION: If cos x = -(1/3) in quadrant 3, find the exact value of sin x      Log On


   

Question 821925: If cos x = -(1/3) in quadrant 3, find the exact value of sin x
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If cos x = -(1/3) in quadrant 3, find the exact value of sin x
---------------
sin%28x%29+=+sqrt%281+-+cos%5E2%28x%29%29+=+sqrt%281+-+1%2F9%29
sine is negative in Q3