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    cssimeur's Avatar
    cssimeur Posts: 1, Reputation: 1
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    #1

    Jul 8, 2010, 07:57 PM
    Prove: csc theta - cot theta = sin theta/1+cos theta
    I'm trying to prove that csc theta minus cot theta equals sin theta/1+cos theta, but I get 1-cos theta/sin theta. Where am I going wrong?
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
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    #2

    Jul 9, 2010, 03:58 AM

    I do not know where you're going wrong. You have not shown what you tried.











    Now, multiply top and bottom by
    1+cos(x) and you should see it fall into place.
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