What is the exact value of cos 30° ? Enter your answer, as a simplified fraction, in the box.

Question

asked Nov 23, 2019 196k views

1 Answer

Jonas Bylov · Answer 1 · 2019-11-28T17:29:01+0000

Answer:

cos(30°) = (√3)/2

Explanation:

You want the exact value of cos(30°).

From your knowledge of the short form of the table of trig function values, you know that ...

$\boxed{\cos{(30^\circ)=(√(3))/(2)}}$

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Additional comment

Some calculators may be able to give this value as a fraction. (See the second attachment.)

$What is the exact value of cos 30° ? Enter your answer, as a simplified fraction, in-example-1$

$What is the exact value of cos 30° ? Enter your answer, as a simplified fraction, in-example-2$