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    buthaina's Avatar
    buthaina Posts: 2, Reputation: 1
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    #1

    Jul 11, 2010, 02:33 AM
    how to solve this trig equation : tan t + cot t = 0
    Just a quick question.
    galactus's Avatar
    galactus Posts: 2,271, Reputation: 282
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    #2

    Jul 11, 2010, 04:28 AM

    There are no solutions which resolve to 0.

    Rewrite:





    Note the numerator is the famous identity which equals 1. So, we have:



    As you can see, there is no way this can equal 0.

    Please post any subsequent problems in the body of the post and not in the heading.
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