Cosine Angle using Tangent Half Angle Calculator

Online trigonometric calculator which is used to find the cosine value of an angle based on tangent half angle.

Find the Cosine of an Angle using Half Angle Tangent

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Formula:

s=1-tan(x*π/2)2/1+tan(x*π/2)2 Where, s = cos(x) x = Angle (x)

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