FormulaDen.com

Physics Chemistry Math Chemical Engineering Civil Electrical Electronics Electronics and Instrumentation Materials Science Mechanical Production Engineering Financial Health

Cos (A/2) Formula

Fx Copy

LaTeX Copy

Cos (A/2) is the value of the trigonometric cosine function of half of the given angle A. Check FAQs

cos (A/2) = \sqrt{\frac{1 + cos A}{2}}

cos_(A/2) - Cos (A/2)?cos A - Cos A?

Cos (A/2) Example

With values

With units

Only example

Here is how the Cos (A/2) equation looks like with Values.

Here is how the Cos (A/2) equation looks like with Units.

Here is how the Cos (A/2) equation looks like.

0.9849 = \sqrt{\frac{1 + 0.94}{2}}

0.9849 = \sqrt{\frac{1 + 0.94}{2}}

0.9849 = \sqrt{\frac{1 + 0.94}{2}}

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Math » Category

Trigonometry and Inverse Trigonometry » Category

Trigonometry » fx Cos (A/2)

Cos (A/2) Solution

Follow our step by step solution on how to calculate Cos (A/2)?

FIRST Step Consider the formula

cos (A/2) = \sqrt{\frac{1 + cos A}{2}}

Next Step Substitute values of Variables

∴

cos (A/2) = \sqrt{\frac{1 + 0.94}{2}}

Next Step Prepare to Evaluate

∴

cos (A/2) = \sqrt{\frac{1 + 0.94}{2}}

Next Step Evaluate

∴

cos (A/2) = 0.98488578017961

LAST Step Rounding Answer

∴

cos (A/2) = 0.9849

Cos (A/2) Formula Elements

Variables

Functions

Cos (A/2)

Cos (A/2) is the value of the trigonometric cosine function of half of the given angle A.

Symbol: cos_(A/2)

Measurement: NAUnit: Unitless

Note: Value should be between -1.01 to 1.01.

Formulas to find Cos (A/2)

Cos A

Cos A is the value of the trigonometric cosine function of the angle A.

Symbol: cos A

Measurement: NAUnit: Unitless

Note: Value should be between -1.01 to 1.01.

Formulas to find Cos A

sqrt

A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number.

Syntax: sqrt(Number)

Other formulas in Half Angle Trigonometry Identities category

Go Tan (A/2) given Sin A and Cos A

tan (A/2) = \frac{1 - cos A}{sin A}

Go Tan (A/2)

tan (A/2) = \sqrt{\frac{1 - cos A}{1 + cos A}}

Go Sin (A/2)

sin (A/2) = \sqrt{\frac{1 - cos A}{2}}

How to Evaluate Cos (A/2)?

Cos (A/2) evaluator uses Cos (A/2) = sqrt((1+Cos A)/2) to evaluate the Cos (A/2), The Cos (A/2) formula is defined as the value of the trigonometric cosine function of half of the given angle A. Cos (A/2) is denoted by cos_(A/2) symbol.

How to evaluate Cos (A/2) using this online evaluator? To use this online evaluator for Cos (A/2), enter Cos A (cos A) and hit the calculate button.

FAQs on Cos (A/2)

What is the formula to find Cos (A/2)?

The formula of Cos (A/2) is expressed as Cos (A/2) = sqrt((1+Cos A)/2). Here is an example- 0.984886 = sqrt((1+0.94)/2).

How to calculate Cos (A/2)?

With Cos A (cos A) we can find Cos (A/2) using the formula - Cos (A/2) = sqrt((1+Cos A)/2). This formula also uses Square Root (sqrt) function(s).

Let Others Know

✖

Facebook

Twitter

Copied!

: Value
: Unit