SOLUTION: if csc(theta)= -4 and theta is in Quad. IV, find the exact value for cos(theta)

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Question 734806: if csc(theta)= -4 and theta is in Quad. IV, find the exact value for cos(theta)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
if csc(theta)= -4 and theta is in Quad. IV, find the exact value for cos(theta)
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sin = 1/csc = -1/4
cost+=+sqrt%281+-+sint%5E2%29+=+sqrt%2815%2F16%29
cost+=+sqrt%2815%29%2F4 positive in Q4