# What Does Cos 30 Degrees Mean?

August 8, 2022

Cos 30° = √3/2 is an irrational number and equals 0.8660254037 (decimal form). Hence the exact value of cos 30 degrees is written as approximately 0.8660. √3/2 is the value of Cos 30°, which is a trigonometric ratio or function of a given angle.

## What is the value of cos 30 degree in fraction?

The cosine of the angle 30° is a value representing the ratio of the length of the adjacent side (the angle under consideration) to the length of the hypotenuse. In trigonometry we mathematically write cos 30°, and its exact value in fractional form is √3/2.

## What is sin and cos 30?

It follows that sin 30° = cos 60° = 1/2 and sin 60° = cos 30° = √3 / 2.

## What is cos 30 degrees in radians?

The value of cos 30 degrees is 0.8660254. . .. Cos 30 degrees in radians is written as cos (30° × π/180°), i.e. H. cos(π/6) or cos(0.523598…).

## What is the value of cot 30 degree?

Cot 30 degrees is the value of the trigonometric cotangent function for an angle of 30 degrees. The value of Cot 30° is √3 or 1.7321 (approximately).

## What is the sin of 30 in degrees?

The exact value of sin 30 degrees is 0.5.

## What is the exact value of cos 30 enter your answer as a simplified fraction in the box?

The exact value of cos(30) is √32 .

## What is tan of 30 degrees in radians?

In trigonometry, the tangent of an angle in a right triangle is equal to the ratio of the opposite side and the adjacent side of the angle. Tan 30 degrees is also represented by tan π/6 radians. The exact value of tan 30° is 0.57735.

## Is the value of cos 60?

The value of cos 60 is 1/2.

## What is the value of sin 30 degrees in fraction?

Sin 30 formula: Sin 30 degrees is equal to cos 60 degrees. The value of sin 30 degrees is 1/2.

## What is value of cos?

The value of cos 1 degree is 0.9998476. . .. Cos 1 radian degree is written as cos (1° × π/180°), i.e. H. cos(0.017453…). In this article, we will discuss the methods of finding the value of cos 1 using examples. Cos 1°: 0.9998476. . .

## What does cosine theta mean?

Cos theta or cos θ is the ratio of the adjacent side to the hypotenuse, where θ is one of the acute angles.

### References:

1. https://mindspark.in/studymaterial/math-concepts/cos-30-degrees-value-of-cos-30-with-proof-examples-and-faq/
2. https://www2.clarku.edu/~djoyce/trig/cosines.html
3. https://www.cuemath.com/trigonometry/cos-30-degrees/
4. https://byjus.com/maths/trigonometry-values/
7. https://www.cuemath.com/trigonometry/cot-30-degrees/
8. https://byjus.com/maths/sin-30-degrees/