M>0,N>0, P>0 and M+N+P=90 Show that tan2M+tan2N+tan2P>=1

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31 Dec 2009 20:35:51 IST

Subject: M>0,N>0, P>0 and M+N+P=90 Show that tan2M+tan2N+tan2P>=1

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$by\ Qm-Am\ Inequility\ &\ Jensen$

all's well that end's well, but if it dosen't, then it is not the end . . .

this reply: 9 points (with 1 Olaaa!! Perrrfect answer.

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