SOLUTION: Let t be the angle between 0 and pi/2 such that sin(t)=1/4 What is cos(t+pi)

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Question 865734: Let t be the angle between 0 and pi/2 such that sin(t)=1/4
What is cos(t+pi)
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Let t be the angle between 0 and pi/2 such that sin(t)=1/4
What is cos(t+pi)
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cos(t) = sqrt(4^2-1)/4 = sqrt(15)/4
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cos(t+pi) = -sqrt(15/4)
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Cheers,
Stan H.
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