- #1

Michael_Light

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## Homework Statement

1. Given a,b,c are acute angles and a + b + c =180. find the minimum of tan(a).tan(b).tan(c)

2. Prove that if a+b+c=90, then tan(a)+tan(b)+tan(c) >= 3

^{1/2}

## Homework Equations

## The Attempt at a Solution

I don't even have any ideas how should i start to find/prove them... any hints?

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