SOLUTION: Would someone please help me with this problem? Find the exact value of: sin^-1 (-1/2) Thank you, Ray

Algebra ->  Trigonometry-basics -> SOLUTION: Would someone please help me with this problem? Find the exact value of: sin^-1 (-1/2) Thank you, Ray      Log On


   

Question 150169: Would someone please help me with this problem?
Find the exact value of:
sin^-1 (-1/2)
Thank you, Ray
Answer by jojo14344(1513) About Me  (Show Source):
You can put this solution on YOUR website!
The exact value of sin%5E%28-1%29%28-1%2F2%29 is an angle.
It's the same as sin%28sigma%29=-1%2F2.
Continuing,
sigma=sin%5E%28-1%29%28-1%2F2%29
sigma=-30deg
Thank you,
Jojo