public static float tan(float fValue) {
        return (float) Math.tan(fValue);
    }
Returns the tangent of the specified angle.

@param fValue The value to tangent, in radians.
@return The tangent of fValue.
@see java.lang.Math#tan(double)
jme3-core/src/main/java/com/jme3/math/FastMath.java