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If A+B+C= π and cosA= cosBcosC, show that tanA= tanB+tanC.
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DevdattaRakshit

by DevdattaRakshit at May 01, 2011

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...
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Andes.person Andes.person May 26, 2011

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um....
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Andes.person Andes.person May 26, 2011

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0.o   FOOD!  
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Andes.person Andes.person May 26, 2011

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chicken! yum
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Andes.person Andes.person May 26, 2011

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