SOLUTION: Suppose u is in the interval (0, pi/2) with tan u=8 Find exact expression for csc u.

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Question 672385: Suppose u is in the interval (0, pi/2) with tan u=8 Find exact expression for csc u.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Suppose u is in the interval (0, pi/2) with tan u=8
Find exact expression for csc u.
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tan = y/x
If tan = 8/1, y = 8 and x = 1
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Find "r":
r^ sqrt[1^2 + 8^2] = sqrt(65)
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csc(u) = r/y = sqrt(65)/8
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Cheers,
Stan H.
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