Sketch the least positive angle \(\theta\) and find the values of the six trigonometric functions of \(\theta\) if the terminal side of an angle \(\theta\) in standard position is defined by \( -\sqrt{5}x + y = 0\), \(x \ge 0\).
Which of the graphs shows \( -\sqrt{5}x + y = 0\), where \(x \ge 0\)?