FAQ

What is the ArcCos A?
ArcCos A is the measure of the principal angle obtained by taking the inverse trigonometric cosine function value of the given real number A. ArcCos A is usually measured using the Degree for Angle. Note that the value of ArcCos A is always negative.
Can the ArcCos A be negative?
Yes, the ArcCos A, measured in Angle can be negative.
What unit is used to measure ArcCos A?
ArcCos A is usually measured using the Degree[°] for Angle. Radian[°], Minute[°], Second[°] are the few other units in which ArcCos A can be measured.
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