Equation of line passing through origin and making $30^\circ, 60^\circ$ and $90^\circ$ with $x, y, z$ axes, respectively is |
$\frac{2x}{\sqrt{3}} = \frac{y}{2} = \frac{z}{0}$ $\frac{2x}{\sqrt{3}} = \frac{2y}{1} = \frac{z}{0}$ $2x = \frac{2y}{\sqrt{3}} = \frac{z}{1}$ $\frac{2x}{\sqrt{3}} = \frac{2y}{1} = \frac{z}{1}$ |
$\frac{2x}{\sqrt{3}} = \frac{2y}{1} = \frac{z}{0}$ |
The correct answer is Option (2) → $\frac{2x}{\sqrt{3}} = \frac{2y}{1} = \frac{z}{0}$ ## $\cos \alpha = \cos 30^\circ = \frac{\sqrt{3}}{2}$ $\cos \beta = \cos 60^\circ = \frac{1}{2}$ $\cos \gamma = \cos 90^\circ = 0$ Equation of required line $\frac{x-0}{\frac{\sqrt{3}}{2}} = \frac{y-0}{\frac{1}{2}} = \frac{z-0}{0}$ $\frac{2x}{\sqrt{3}} = \frac{2y}{1} = \frac{z}{0}$ |