Questions on Algebra: Trigonometry answered by real tutors!

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Question 150169: Would someone please help me with this problem?
Find the exact value of:
sin^-1 (-1/2)
Thank you, Ray
: Would someone please help me with this problem?
Find the exact value of:
sin^-1 (-1/2)
Thank you, Ray

Answer by jojo14344(832) About Me  (Show Source):
You can put this solution on YOUR website!
The exact value of sin^(-1)(-1/2) is an angle.
It's the same as sin(sigma)=-1/2.
Continuing,
sigma=sin^(-1)(-1/2)
sigma=-30deg
Thank you,
Jojo