alexburrow0 alexburrow0

03-06-2014
Mathematics

contestada

Express the exact value of csc 60 degrees with a rational denominator?

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Аноним Аноним

14-06-2014

[tex]csc60^o=\frac{1}{sin60^o}=\frac{1}{\frac{\sqrt3}{2}}=\frac{2}{\sqrt3}=\frac{2}{\sqrt3}\cdot\frac{\sqrt3}{\sqrt3}=\frac{2\sqrt3}{3}[/tex]

Answer Link

Аноним Аноним

14-06-2014

1/sin60
= 2/√3
= 2√3/3

Answer Link

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