SOLUTION: If 90 degrees is less than theta is less than 180 degrees, express cos theta in terms of tan theta.

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Question 695593: If 90 degrees is less than theta is less than 180 degrees, express cos theta in terms of tan theta.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
If 90 degrees is less than theta is less than 180 degrees, express cos theta in terms of tan theta.
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cos = 1/sec = 1/sqrt(1+tan^2)
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Cheers,
Stan H.