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Math Help - subtracting fractions with cotangent and cosecant?

  1. #1
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    subtracting fractions with cotangent and cosecant?

    (1/cot^2 50 degrees) - (1/cos^2 50 degrees) = ?
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    Re: subtracting fractions with cotangent and cosecant?

    \cos^2 x +sin^2 x \equiv 1

    1+\tan^2 x \equiv \sec^2 x

    \tan^2 x - \sec ^2 x \equiv ...
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  3. #3
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    Lightbulb Re: subtracting fractions with cotangent and cosecant?

    Quote Originally Posted by avatartiger2 View Post
    (1/cot^2 50 degrees) - (1/cos^2 50 degrees) = ?
    \frac{1}{\text{Cot}(\alpha )^2}-\frac{1}{\text{Cos}(\alpha )^2}=-1
    Last edited by MaxJasper; September 12th 2012 at 05:25 PM.
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