SOLUTION: Please help! What is the exact value of the expression sin(-5)3.14/4 A. -1/2 B. -1 C. radical of 2/(2) D. radical of 3/(2)

Question 941308: Please help!
What is the exact value of the expression sin(-5)3.14/4
A. -1/2
B. -1
C. radical of 2/(2)
D. radical of 3/(2)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
What is the exact value of the expression sin(-5)3.14/4
Your Problem:: sin[(-5/4)pi] = sin[(-5/4)pi + 2pi] = sin[(3/4)pi] = sqrt(2)/2
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Cheers,
Stan H.
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A. -1/2
B. -1
C. radical of 2/(2)
D. radical of 3/(2)
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