The Cartesian equations of the straight line passing through the point (2, 1, –1) and making angles π3,π3 and π4with the positive directions of the coordinate axes are _____________.

The Cartesian equations of the straight line passing through the point

1.	The Cartesian equations of the straight line passing through the point (2, 1, –1) and making angles π3,π3 and π4with the positive directions of the coordinate axes are _____________.
Answer» The Cartesian equations of the straight line passing through the point (2, 1, –1) and making angles $\frac{π}{3}, \frac{π}{3} and \frac{π}{4}$ with the positive directions of the coordinate axes are _____________.