Cos (A/2) in Triangle Formulas

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

Formulas to find Cos (A/2) in Triangle

fxCos (A/2) using Sides and Semi-Perimeter of TriangleGo

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

fxArea of Triangle using Sides B, C and Sin (A/2) and Cos (A/2)Go

fxArea of Triangle using Sides B, C and Tan (A/2) and Cos (A/2)Go

fxArea of Triangle using Sides B, C and Cot (A/2) and Cos (A/2)Go

fxArea of Triangle using Sides B, C and Cosec (A/2) and Cos (A/2)Go

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

fx Semiperimeter of Triangle Go

fx Side A of Triangle Go

fx Side B of Triangle Go

fx Side C of Triangle Go

fx Area of Triangle Go

fx Sin (A/2) Go