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

Not sure how to do this, help would be much appreciated (Happy)

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- March 31st 2011, 10:34 PMbrumby_3Showing 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 (Happy) - March 31st 2011, 10:38 PMchisigma
Of course is ... is an odd function and an even function... what about the ratio?...

Kind regards

- March 31st 2011, 11:19 PMCaptainBlack