# What is the value of cos 2 60

## What is the value of Cos 2nd 60 degree?

The cos 60 value in the decimal form is

**0.5**. Cos 60 = 0.5.## What is the value of sin2 60?

The exact value of sin(60) is

**√32**.## What is the value cos of 60?

1/2

The value of cos 60 is

**1/2**. Trigonometry is used to study the measurements of right-angled triangles that deals with the parameters such as length, height and angles of the triangle.## What is the value of cos 2 30?

The value of cos^2(30) is

**3/4**. Solution- Since the value of cos(30) from the trigonometric values table is ✓3/2.## What is sin2theta?

The number sin(2θ) is

**the sine of twice the angle θ**. It is almost never equal to 2sin(θ). But there is an important “double-angle” identity sin(2θ)=2sin(θ)cos(θ) that you can use in your problem.## What is sin30 value?

The value of sin 30 degrees is 0.5. Sin 30 is also written as

**sin π/6**, in radians.## What is the value of cos Square 45?

cos^2 45 =

**1/2**.## What is the value of cos Square 90 degree?

0

Cos 90° =

**0**It is observed that the values of sin and cos functions do not change if the values of x and y are the integral multiples of 2π.

## What cos2 45?

First of all, cos^2(45′) is the same thing as saying

**cos(45′)^2**. Now we know from the unit circle that cos(45′)= rad2/2 (square root of 2 over 2), and when you do (rad2/2)^2, you get 2/4, or 1/2.## What is the exact value of cos 135?

-0.7071

The value of cos 135° is equal to the x-coordinate (-0.7071). ∴ cos 135° =

**-0.7071**.## What is the Cos of 23?

0.9205

The value of

**cos 23°**is equal to the x-coordinate (0.9205). ∴ cos 23° = 0.9205.## How do you solve cos 60 degrees?

The value of cos 60 degrees can be calculated by

**constructing an angle of 60° with the x-axis, and then finding the coordinates of the corresponding point (0.5, 0.866) on the unit circle**. The value of cos 60° is equal to the x-coordinate (0.5). ∴ cos 60° = 0.5.## What is the value of cosine at 270?

0

What is Cos 270 Degrees? Cos 270 degrees is the value of cosine trigonometric function for an angle equal to 270 degrees. The value of cos 270° is

**0**.## What is the value of cosine at 315?

0.7071

The value of cos 315° is

**equal to the x-coordinate (0.7071)**. ∴ cos 315° = 0.7071.## How do you find the value of cos 120?

The value of cos 120 degrees can be calculated by

**constructing an angle of 120° with the x-axis, and then finding the coordinates of the corresponding point (-0.5, 0.866) on the unit circle**. The value of cos 120° is equal to the x-coordinate (-0.5). ∴ cos 120° = -0.5.## How do you find the value of cos 300?

The value of cos 300 degrees can be calculated by

**constructing an angle of 300° with the x-axis, and then finding the coordinates of the corresponding point (0.5, -0.866) on the unit circle**. The value of cos 300° is equal to the x-coordinate (0.5). ∴ cos 300° = 0.5.## What is the value of sine at 330?

FAQs on Sin 330 Degrees

Sin 330 degrees is the value of sine trigonometric function for an angle equal to 330 degrees. The value of sin 330° is **-(1/2) or -0.5**.

## Which of the following is the value of \cos 180 {\ circ }) cos 180 ∘?

-1

The value of cos 180 is equal to

**-1**.## What is the exact value of cos 240?

-0.5

The value of cos 240 degrees is

**-0.5**.## How do you find the value of sin15?

The actual value of sin 15 degrees is

**(√3−1)/(2√2)**.## What is the value cos 30?

0.8660254037

Cos 30° =

**√3/2**is an irrational number and equals to 0.8660254037 (decimal form). Therefore, the exact value of cos 30 degrees is written as 0.8660 approx. √3/2 is the value of Cos 30° which is a trigonometric ratio or trigonometric function of a particular angle.## What is the value of cot 11π 3?

1√3

Trigonometry Examples

The exact value of cot(π3) cot ( π 3 ) is **1√3** .