FormulaDen.com

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

Cos (A/2) given Sides B and C and Sin (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 of the triangle. Check FAQs

cos (A/2) = \frac{A}{S b \cdot S c \cdot sin (A/2)}

cos_(A/2) - Cos (A/2)?A - Area of Triangle?S_b - Side B of Triangle?S_c - Side C of Triangle?sin_(A/2) - Sin (A/2)?

Cos (A/2) given Sides B and C and Sin (A/2) Example

With values

With units

Only example

Here is how the Cos (A/2) given Sides B and C and Sin (A/2) equation looks like with Values.

Here is how the Cos (A/2) given Sides B and C and Sin (A/2) equation looks like with Units.

Here is how the Cos (A/2) given Sides B and C and Sin (A/2) equation looks like.

0.9286 = \frac{65}{14 \cdot 20 \cdot 0.25}

0.9286 = \frac{65m²}{14m \cdot 20m \cdot 0.25}

0.9286 = \frac{65}{14 \cdot 20 \cdot 0.25}

Tip: Use pencil ( Pencil

) icon above to edit Input Values and Units.

Calculate

Recalculate

Solution

Copy

Reset

You are here -

Home » Category

Math » Category

Geometry » Category

2D Geometry » fx Cos (A/2) given Sides B and C and Sin (A/2)

Cos (A/2) given Sides B and C and Sin (A/2) Solution

Follow our step by step solution on how to calculate Cos (A/2) given Sides B and C and Sin (A/2)?

FIRST Step Consider the formula

cos (A/2) = \frac{A}{S b \cdot S c \cdot sin (A/2)}

Next Step Substitute values of Variables

∴

cos (A/2) = \frac{65m²}{14m \cdot 20m \cdot 0.25}

Next Step Prepare to Evaluate

∴

cos (A/2) = \frac{65}{14 \cdot 20 \cdot 0.25}

Next Step Evaluate

∴

cos (A/2) = 0.928571428571429

LAST Step Rounding Answer

∴

cos (A/2) = 0.9286

Cos (A/2) given Sides B and C and Sin (A/2) Formula Elements

Variables

Cos (A/2)

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

Symbol: cos_(A/2)

Measurement: NAUnit: Unitless

Note: Value should be between -1.01 to 1.01.

Formulas to find Cos (A/2)

Area of Triangle

The Area of Triangle is the amount of region or space occupied by the Triangle.

Symbol: A

Measurement: AreaUnit: m²

Note: Value should be greater than 0.

Formulas to find Area of Triangle

Side B of Triangle

The Side B of Triangle is the length of the side B of the three sides. In other words, the side Bof the Triangle is the side opposite to the angle B.

Symbol: S_b

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Side B of Triangle

Side C of Triangle

The Side C of Triangle is the length of the side C of the three sides. In other words, side C of the Triangle is the side opposite to angle C.

Symbol: S_c

Measurement: LengthUnit: m

Note: Value should be greater than 0.

Formulas to find Side C of Triangle

Sin (A/2)

Sin (A/2) is the value of the trigonometric sine function of half of the given angle A of the triangle.

Symbol: sin_(A/2)

Measurement: NAUnit: Unitless

Note: Value should be between -1.01 to 1.01.

Formulas to find Sin (A/2)

Other formulas in Trigonometric Ratios of Half Angles using Area of the Triangle category

Go Sin (A/2) given Sides B and C and Cos (A/2)

sin (A/2) = \frac{A}{S b \cdot S c \cdot cos (A/2)}

Go Sin (B/2) given Sides A and C and Cos (B/2)

sin (B/2) = \frac{A}{S a \cdot S c \cdot cos (B/2)}

Go Sin (C/2) given Sides A and B and Cos (C/2)

sin (C/2) = \frac{A}{S a \cdot S b \cdot cos (C/2)}

Go Cos (B/2) given Sides A and C and Sin (B/2)

cos (B/2) = \frac{A}{S a \cdot S c \cdot sin (B/2)}

How to Evaluate Cos (A/2) given Sides B and C and Sin (A/2)?

Cos (A/2) given Sides B and C and Sin (A/2) evaluator uses Cos (A/2) = Area of Triangle/(Side B of Triangle*Side C of Triangle*Sin (A/2)) to evaluate the Cos (A/2), The Cos (A/2) given Sides B and C and Sin (A/2) formula is defined as value of cos A/2 using area of the triangle, the sides B & C and the trigonometric half ratio Sin A/2. Cos (A/2) is denoted by cos_(A/2) symbol.

How to evaluate Cos (A/2) given Sides B and C and Sin (A/2) using this online evaluator? To use this online evaluator for Cos (A/2) given Sides B and C and Sin (A/2), enter Area of Triangle (A), Side B of Triangle (S_b), Side C of Triangle (S_c) & Sin (A/2) (sin_(A/2)) and hit the calculate button.

FAQs on Cos (A/2) given Sides B and C and Sin (A/2)

What is the formula to find Cos (A/2) given Sides B and C and Sin (A/2)?

The formula of Cos (A/2) given Sides B and C and Sin (A/2) is expressed as Cos (A/2) = Area of Triangle/(Side B of Triangle*Side C of Triangle*Sin (A/2)). Here is an example- 0.928571 = 65/(14*20*0.25).

How to calculate Cos (A/2) given Sides B and C and Sin (A/2)?

With Area of Triangle (A), Side B of Triangle (S_b), Side C of Triangle (S_c) & Sin (A/2) (sin_(A/2)) we can find Cos (A/2) given Sides B and C and Sin (A/2) using the formula - Cos (A/2) = Area of Triangle/(Side B of Triangle*Side C of Triangle*Sin (A/2)).

Let Others Know

✖

Facebook

Twitter

Copied!

: Value
: Unit

Cos (A/2) given Sides B and C and Sin (A/2) Formula

Cos (A/2) given Sides B and C and Sin (A/2) Example

Cos (A/2) given Sides B and C and Sin (A/2) Solution

Cos (A/2) given Sides B and C and Sin (A/2) Formula Elements

Other formulas in Trigonometric Ratios of Half Angles using Area of the Triangle category

How to Evaluate Cos (A/2) given Sides B and C and Sin (A/2)?

FAQs on Cos (A/2) given Sides B and C and Sin (A/2)

Variable Name