Question about Casio FX83ES Scientific Calculator
To get the angle from a value of the cosine, you use the arc cosine or arcosin function. It is the shifted function of the cosine key. Be careful with the units. If the calculator is configured with the degree angle unit, the value returned by the arc cosine will be in degrees. If the angle unit is the radian, the result will be in radians.
Posted on Nov 27, 2012
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Posted on Jan 02, 2017
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