Cosine Equations Solver


Online calculator and solver for trigonometric equations with cosine function of the form

cos x = a


Only solutions that are greater than or equal to 0 and smaller than 360 degrees are displayed.

How to use the calculator

Enter a value for parameter a and press "enter". "NaN" (no solution) is displayed by the calculator if parameter a is greater than 1 or less than -1. (Values out of the range of the cosine function).

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