SOLUTION: If cot £ = -9/2 with £ in Quadrant II, find sin £.

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Question 416375: If cot £ = -9/2 with £ in Quadrant II, find sin £.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
If cot £ = -9/2 with £ in Quadrant II, find sin £.
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cot = x/y : x = -9; y = 2
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r = sqrt[9^2 + 2^2] = sqrt[85]
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sin = y/r = 2/sqrt(85)
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Cheers,
Stan H.
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