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

sin_(A/2) - Sin (A/2)?cos A - Cos A?

Sin (A/2) Example

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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.

0.1732 = \sqrt{\frac{1 - 0.94}{2}}

0.1732 = \sqrt{\frac{1 - 0.94}{2}}

0.1732 = \sqrt{\frac{1 - 0.94}{2}}

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

Next Step Substitute values of Variables

∴

sin (A/2) = \sqrt{\frac{1 - 0.94}{2}}

Next Step Prepare to Evaluate

∴

sin (A/2) = \sqrt{\frac{1 - 0.94}{2}}

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.

Formulas to find Sin (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 Cos (A/2)

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

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 (sqrt) function(s).

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