Trigonometry (1 Viewer)

nsbrando · Jun 25, 2012

tan60 - tan30

Find the exact value with rational denominators. plz help

I end up with root 3 minus 1 over root 3 and i know thats not finished, i don't know whats the next step.

Fus Ro Dah · Jun 25, 2012

Demento1 · Jun 25, 2012

Fus Ro Dah said:
$\sqrt 3 - \frac{1}{\sqrt 3} = \frac{3 - 1}{\sqrt 3} = \frac{2}{\sqrt 3} = \frac{2}{3} \sqrt 3 $ by rationalising the denominator.$$

Stole the year 10's glory to answer this question. You beat me to it.

Good work though.

Trigonometry (1 Viewer)

nsbrando

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Fus Ro Dah

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Demento1

Philosopher.

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