FAQ

What is the Cos (pi-A)?
Cos (pi-A) is the value of the trigonometric cosine function of difference between pi(180 degrees) and the given angle A, which shows shifting of angle -A by pi.
Can the Cos (pi-A) be negative?
{YesorNo}, the Cos (pi-A), measured in {OutputVariableMeasurementName} {CanorCannot} be negative.
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