SOLUTION: If tan £ = 2 with £ in Quadrant III, find sec £.

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Question 416377: If tan £ = 2 with £ in Quadrant III, find sec £.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
If tan £ = 2 with £ in Quadrant III, find sec £.
tan = y/x = 2/1
In QIII, y = -2 and x=-1
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r = sqrt[2^2+1^2] = sqrt(5)
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sec = r/x = -sqrt(5)
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Cheers,
Stan H.
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