trigonometry...........

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Prove the following identity:-
(i) tan^3x/1+tan^2x + cot^3x/1+cot^2 = 1-2sin^x cos^x/sinx cosx

  • trigonometry........... -

    You obviously did not read my reply to that same question, since you did not change the typing using brackets.

    I still cannot tell who is divided by who ....

    http://www.jiskha.com/display.cgi?id=1307704739

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