FormulaDen.com

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

Cos A using Area and Sides B and C of Triangle Formula

Fx Copy

LaTeX Copy

Cos A is the value of the trigonometric cosine function of the angle A of the triangle. Check FAQs

cos ∠A = \sqrt{1 - {(\frac{2 \cdot A}{S b \cdot S c})}^{2}}

cos ∠A - Cos A?A - Area of Triangle?S_b - Side B of Triangle?S_c - Side C of Triangle?

Cos A using Area and Sides B and C of Triangle Example

With values

With units

Only example

Here is how the Cos A using Area and Sides B and C of Triangle equation looks like with Values.

Here is how the Cos A using Area and Sides B and C of Triangle equation looks like with Units.

Here is how the Cos A using Area and Sides B and C of Triangle equation looks like.

0.8857 = \sqrt{1 - {(\frac{2 \cdot 65}{14 \cdot 20})}^{2}}

0.8857 = \sqrt{1 - {(\frac{2 \cdot 65m²}{14m \cdot 20m})}^{2}}

0.8857 = \sqrt{1 - {(\frac{2 \cdot 65}{14 \cdot 20})}^{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

Geometry » Category

2D Geometry » fx Cos A using Area and Sides B and C of Triangle

Cos A using Area and Sides B and C of Triangle Solution

Follow our step by step solution on how to calculate Cos A using Area and Sides B and C of Triangle?

FIRST Step Consider the formula

cos ∠A = \sqrt{1 - {(\frac{2 \cdot A}{S b \cdot S c})}^{2}}

Next Step Substitute values of Variables

∴

cos ∠A = \sqrt{1 - {(\frac{2 \cdot 65m²}{14m \cdot 20m})}^{2}}

Next Step Prepare to Evaluate

∴

cos ∠A = \sqrt{1 - {(\frac{2 \cdot 65}{14 \cdot 20})}^{2}}

Next Step Evaluate

∴

cos ∠A = 0.88568548340266

LAST Step Rounding Answer

∴

cos ∠A = 0.8857

Cos A using Area and Sides B and C of Triangle Formula Elements

Variables

Functions

Cos A

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

Symbol: cos ∠A

Measurement: NAUnit: Unitless

Note: Value should be between -1.01 to 1.01.

Formulas to find Cos A

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

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 Trigonometric Ratios using Sides and Area of Triangle category

Go Sin B using Area and Sides A and C of Triangle

sin B = \frac{2 \cdot A}{S a \cdot S c}

Go Sin A using Area and Sides B and C of Triangle

sin A = \frac{2 \cdot A}{S b \cdot S c}

Go Sin C using Area and Sides A and B of Triangle

sin C = \frac{2 \cdot A}{S a \cdot S b}

Go Cosec A using Area and Sides B and C of Triangle

cosec ∠A = \frac{S b \cdot S c}{2 \cdot A}

How to Evaluate Cos A using Area and Sides B and C of Triangle?

Cos A using Area and Sides B and C of Triangle evaluator uses Cos A = sqrt(1-((2*Area of Triangle)/(Side B of Triangle*Side C of Triangle))^2) to evaluate the Cos A, The Cos A using Area and Sides B and C of Triangle formula is defined as value of cos A using area and the sides B and C of the triangle. Cos A is denoted by cos ∠A symbol.

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

FAQs on Cos A using Area and Sides B and C of Triangle

What is the formula to find Cos A using Area and Sides B and C of Triangle?

The formula of Cos A using Area and Sides B and C of Triangle is expressed as Cos A = sqrt(1-((2*Area of Triangle)/(Side B of Triangle*Side C of Triangle))^2). Here is an example- 0.885685 = sqrt(1-((2*65)/(14*20))^2).

How to calculate Cos A using Area and Sides B and C of Triangle?

With Area of Triangle (A), Side B of Triangle (S_b) & Side C of Triangle (S_c) we can find Cos A using Area and Sides B and C of Triangle using the formula - Cos A = sqrt(1-((2*Area of Triangle)/(Side B of Triangle*Side C of Triangle))^2). This formula also uses Square Root (sqrt) function(s).

Let Others Know

✖

Facebook

Twitter

Copied!

: Value
: Unit

Cos A using Area and Sides B and C of Triangle Formula

Cos A using Area and Sides B and C of Triangle Example

Cos A using Area and Sides B and C of Triangle Solution

Cos A using Area and Sides B and C of Triangle Formula Elements

Other formulas in Trigonometric Ratios using Sides and Area of Triangle category

How to Evaluate Cos A using Area and Sides B and C of Triangle?

FAQs on Cos A using Area and Sides B and C of Triangle

Variable Name