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In Delta A B C , prove that t a n A+t ...

In ` Delta A B C` , prove that `t a n A+t a n B+t a n Cgeq3sqrt(3),w h e r eA ,B ,C` are acute angles.

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CENGAGE ENGLISH-SEQUENCES AND SERIES-All Questions
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  2. In A B C , prove that cos e c A/2+cos e c B/2+cos e c C/2geq6.

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  3. In Delta A B C , prove that t a n A+t a n B+t a n Cgeq3sqrt(3),w h e...

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  4. If a ,b ,c are real numbers such that 0 < a < 1,0 < b < 1,0 < c < 1,a+...

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  6. Prove that a^4+b^4+c^4> a b c(a+b+c),w h e r ea ,b ,c > 0.

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  18. If a ,b ,a n dc are positive and 9a+3b+c=90 , then the maximum value o...

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  19. Given that x ,y ,z are positive real such that x y z=32. If the minimu...

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