A square with each side equal to a lies above the x-axis and has one vertex at the origin. One of the sides passing through the origin makes an angle α(0<α<π4) with the positive direction of the x-axis. Equation of a diagonal of the square is

A square with each side equal to a lies above the x-axis and has one v

1.	A square with each side equal to a lies above the x-axis and has one vertex at the origin. One of the sides passing through the origin makes an angle α(0<α<π4) with the positive direction of the x-axis. Equation of a diagonal of the square is
Answer» A square with each side equal to $a$ lies above the $x$ -axis and has one vertex at the origin. One of the sides passing through the origin makes an angle $α (0 < α < \frac{π}{4})$ with the positive direction of the $x$ -axis. Equation of a diagonal of the square is