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What is the cosine of 30?

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Anonymous

∙ 16y ago
Updated: 3/17/2025

Cos(30) = sqrt(3)/2 = 0.866025403..

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Bentley Chang ∙

Lvl 2
∙ 4mo ago
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Related Questions

What the only formula you can find the exact value of cosine 30?

Cosine(30) = sqrt(3)/2


How do you find cosine squared at 30 degrees?

cos(30) = sqrt(3)/2 so cosine squared is 3/4.


How do you turn cosine of 30 degrees into a fraction?

Cos(30) = sqrt(3)/2 = 0.866025403.... ( Which is irrational).


What is cosine 30 degrees?

0.866 ( or (sqrt 3)/2 )


What is the cosine 30 degrees?

cos(30 deg) = sqrt(3)/2 = 0.8660 approx.


What is cosine cubed?

It is cosine*cosine*cosine.


What is the cosine of a 30 degree angle?

As a decimal: 0.866 As a fraction: √(3)/2


The inverse of the cosine function?

Inverse of Cosine is 'ArcCos' or Cos^(-1) The reciprocal of Cosine is !/ Cosine = Secant.


How do you find length of a hypotenuse of a 30 60 90 degree triangle is 7 cm what is the perimeter?

The length of the other two sides is 7 cosine (60) and 7 cosine (30)that is 3.5 and 6.062 cmthe perimeter = 7 + 3.5 + 6.062 = 16.562 cm


What is cosine of 1?

Cosine of 1 degree is about 0.999848. Cosine of 1 radian is about 0.540302.


How does the tangent function relate to sine and cosine?

Tangent = sine/cosine provided that cosine is non-zero. When cosine is 0, then tangent is undefined.


What is an inverse cosine?

The inverse of the cosine is the secant.

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