Calculate calculateSectorArea determineQuadrant distance doubleToString floatToFraction gcd hasDecimal isNumeric normalizeAngle qDegreesToRadians qRadiansToDegrees radiansToDMS round sgn truncateDoubleByDecimal ~Calculate

qRadiansToDegrees() static double qRadiansToDegrees ( double  radians ) static 将弧度值转换为角度值 将弧度值转换为角度值，使用公式：角度 = 弧度 × (180 / π)。 参数 [in] radians 弧度值 返回 转换后的角度值