Method cos

src/org/opensourcephysics/media/core/TPoint.java:560–562

Returns the cosine of the angle measured ccw from the positive x-axis to the line between this TPoint and the specified coordinates. @param x the x coordinate @param y the x coordinate @return the cosine of the angle

(double x, double y)

	 * @return the cosine of the angle
	 */
	public double cos(double x, double y) {
		return (x - getX()) / distance(x, y);
	}

	/**
	 * Returns the cosine of the angle measured ccw from the positive x-axis to the