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Cos (pi-A) Formula

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Cos (pi-A) is the value of the trigonometric cosine function of difference between pi(180 degrees) and the given angle A, which shows shifting of angle -A by pi. Check FAQs

cos (π-A) = (- \cos (A))

cos_(π-A) - Cos (pi-A)?A - Angle A of Trigonometry?

Cos (pi-A) Example

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Here is how the Cos (pi-A) equation looks like with Values.

Here is how the Cos (pi-A) equation looks like with Units.

Here is how the Cos (pi-A) equation looks like.

-0.9397 = (- \cos (20))

-0.9397 = (- \cos (20°))

-0.9397 = (- \cos (20))

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Cos (pi-A) Solution

Follow our step by step solution on how to calculate Cos (pi-A)?

FIRST Step Consider the formula

cos (π-A) = (- \cos (A))

Next Step Substitute values of Variables

∴

cos (π-A) = (- \cos (20°))

Next Step Convert Units

∴

cos (π-A) = (- \cos (0.3491rad))

Next Step Prepare to Evaluate

∴

cos (π-A) = (- \cos (0.3491))

Next Step Evaluate

∴

cos (π-A) = -0.939692620785931

LAST Step Rounding Answer

∴

cos (π-A) = -0.9397

Cos (pi-A) Formula Elements

Variables

Functions

Cos (pi-A)

Cos (pi-A) is the value of the trigonometric cosine function of difference between pi(180 degrees) and the given angle A, which shows shifting of angle -A by pi.

Symbol: cos_(π-A)

Measurement: NAUnit: Unitless

Note: Value should be between -1.01 to 1.01.

Formulas to find Cos (pi-A)

Angle A of Trigonometry

Angle A of Trigonometry is the value of the variable angle used to calculate Trigonometric Identities.

Symbol: A

Measurement: AngleUnit: °

Note: Value should be between 0 to 90.

Formulas to find Angle A of Trigonometry

cos

Cosine of an angle is the ratio of the side adjacent to the angle to the hypotenuse of the triangle.

Syntax: cos(Angle)

Other formulas in Periodicity or Cofunction Identities category

Go Cos (pi/2-A)

cos (π/2-A) = \sin (A)

Go Sin (pi/2-A)

sin (π/2-A) = \cos (A)

Go Tan (pi/2-A)

tan (π/2-A) = \cot (A)

Go Tan (3pi/2-A)

tan (3π/2-A) = \cot (A)

How to Evaluate Cos (pi-A)?

Cos (pi-A) evaluator uses Cos (pi-A) = (-cos(Angle A of Trigonometry)) to evaluate the Cos (pi-A), The Cos (pi-A) formula is defined as the value of the trigonometric cosine function of difference between pi(180 degrees) and the given angle A, which shows shifting of angle -A by pi. Cos (pi-A) is denoted by cos_(π-A) symbol.

How to evaluate Cos (pi-A) using this online evaluator? To use this online evaluator for Cos (pi-A), enter Angle A of Trigonometry (A) and hit the calculate button.

FAQs on Cos (pi-A)

What is the formula to find Cos (pi-A)?

The formula of Cos (pi-A) is expressed as Cos (pi-A) = (-cos(Angle A of Trigonometry)). Here is an example- -0.939693 = (-cos(0.3490658503988)).

How to calculate Cos (pi-A)?

With Angle A of Trigonometry (A) we can find Cos (pi-A) using the formula - Cos (pi-A) = (-cos(Angle A of Trigonometry)). This formula also uses Cosine (cos) function(s).

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