Trigonometric Identities Calculator To Find Sum Of Cosine Angles

Sine, Cosine and Tangent are the main functions used in Trigonometry and are based on a Right-Angled Triangle. Use this online trigonometric identities addition calculator to find the sum of cosine angles. Use this fundamental cosine addition formula of trigonometry to solve various problems by re-writing expressions in another equivalent form. Enter the known cosine angles in the input field and the calculator would automatically update you with the sum of two cosine angles.

Calculate Cos(a)+Cos(b) Using Cosine Addition Formula

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Cosine Addition Formula:

Cos(a) + Cos(b) = 2 (cos (a + b) / 2) (cos (a - b) / 2) Where, a = Angle 1 b = Angle 2

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