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Math Help - Showing that a function is odd

  1. #1
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    Showing that a function is odd

    Show that tan x is an odd function: tan (-x) = - tan x?

    Not sure how to do this, help would be much appreciated
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    MHF Contributor chisigma's Avatar
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    Of course is \tan x = \frac{\sin x}{\cos x} ... \sin x is an odd function and \cos x an even function... what about the ratio?...

    Kind regards

    \chi \sigma
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  3. #3
    Grand Panjandrum
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    Quote Originally Posted by brumby_3 View Post
    Show that tan x is an odd function: tan (-x) = - tan x?

    Not sure how to do this, help would be much appreciated
    What definition of tan are you working with?

    CB
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