FAQ

What is the Sin (3pi/2-A)?
Sin (3pi/2-A) is the value of the trigonometric sine function of the difference between 3*pi/2(270 degrees) and the given angle A, which shows shifting of angle -A by 3*pi/2.
Can the Sin (3pi/2-A) be negative?
{YesorNo}, the Sin (3pi/2-A), measured in {OutputVariableMeasurementName} {CanorCannot} be negative.
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