SOLUTION: find the exact value of each expression. a.) cot^-1(-square root 3) b.) arccos(-1/2)

Algebra ->  Trigonometry-basics -> SOLUTION: find the exact value of each expression. a.) cot^-1(-square root 3) b.) arccos(-1/2)      Log On


   

Question 833716: find the exact value of each expression.
a.) cot^-1(-square root 3)
b.) arccos(-1/2)
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
find the exact value of each expression.
a.) cot^-1(-square root 3) = 60 degrees or pi/3
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b.) arccos(-1/2) = 120 degrees or (2/3)pi
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Cheers,
Stan H.
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