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In A B C , prove that cos e c A/2+cos e...

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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CENGAGE ENGLISH-SEQUENCES AND SERIES-All Questions
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  2. If alpha in (0,pi/2), then sqrt(x^2+x)+tan^2alpha/sqrt(x^2+x) is alw...

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  3. 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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  4. 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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  18. For anyx ,y , in R^+,x y >0 . Then the minimum value of (2x)/(y^3)+(x...

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

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