A square of side a lies above the …-axis and has one vertex at the origin. The side passing through the origin makes an angle … with the positive direction of x-axis. The equation of its diagonal not passing through the origin is :

Straight Lines and Pair of Straight Lines

JEE Main 2003 · Annual, Paper 1 · Q5593

MathematicsHard128×since 2002Q5593

A square of side a lies above the

x

-axis and has one vertex at the origin. The side passing through the origin makes an angle

\alpha \left( {0 < \alpha < {\pi \over 4}} \right)

with the positive direction of x-axis. The equation of its diagonal not passing through the origin is :

JEE Main 2003 · Annual, Paper 1 · Q5593

MathematicsHard128×since 2002Q5593

A square of side a lies above the

x

-axis and has one vertex at the origin. The side passing through the origin makes an angle

\alpha \left( {0 < \alpha < {\pi \over 4}} \right)

with the positive direction of x-axis. The equation of its diagonal not passing through the origin is :