Sin (A/2) Formula

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Sin (A/2) is the value of the trigonometric sine function of half of the given angle A. Check FAQs
sin(A/2)=1-cos A2
sin(A/2) - Sin (A/2)?cos A - Cos A?

Sin (A/2) Example

With values
With units
Only example

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

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

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

0.1732Edit=1-0.94Edit2
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Sin (A/2) Solution

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

FIRST Step Consider the formula
sin(A/2)=1-cos A2
Next Step Substitute values of Variables
sin(A/2)=1-0.942
Next Step Prepare to Evaluate
sin(A/2)=1-0.942
Next Step Evaluate
sin(A/2)=0.173205080756888
LAST Step Rounding Answer
sin(A/2)=0.1732

Sin (A/2) Formula Elements

Variables
Functions
Sin (A/2)
Sin (A/2) is the value of the trigonometric sine function of half of the given angle A.
Symbol: sin(A/2)
Measurement: NAUnit: Unitless
Note: Value should be between -1.01 to 1.01.
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.
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)=1-cos Asin A
​Go Tan (A/2)
tan(A/2)=1-cos A1+cos A
​Go Cos (A/2)
cos(A/2)=1+cos A2

How to Evaluate Sin (A/2)?

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

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

FAQs on Sin (A/2)

What is the formula to find Sin (A/2)?
The formula of Sin (A/2) is expressed as Sin (A/2) = sqrt((1-Cos A)/2). Here is an example- 0.173205 = sqrt((1-0.94)/2).
How to calculate Sin (A/2)?
With Cos A (cos A) we can find Sin (A/2) using the formula - Sin (A/2) = sqrt((1-Cos A)/2). This formula also uses Square Root Function function(s).
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