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Math Help - identity question

  1. #1
    Member smmmc's Avatar
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    identity question

    Hey need help on these

    q(c) can we just let theta=pi
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by smmmc View Post
    Hey need help on these

    q(c) can we just let theta=pi
    No, this is an identity that you are supposed to show is true for any \theta and \phi.

    One way to do this is to replace all the \cot's on the right by 1/\tan's and simplifying.

    CB
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