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Thread: proof help

  1. June 24th 2008, 09:58 PM #1
    rabidsquirrel
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    proof help

    how can ((sin)(sec^2)+1)/sec^2 be simplified
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  2. June 24th 2008, 10:18 PM #2
    Moo
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    Quote Originally Posted by rabidsquirrel View Post
    how can ((sin)(sec^2)+1)/sec^2 be simplified
    \frac{\sin x \cdot \sec^2x+1}{\sec^2x}=\frac{\sin x \cdot \sec^2x}{\sec^2x}+\frac{1}{\sec^2x}

    =\sin x+\cos^2x
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