x = sin θ cos θ and y = sin θ + cos θ are satisfied by which

Last updated: 8/4/2022

x = sin θ cos θ and y = sin θ + cos θ are satisfied by which one of the following equations? (a) y² - 2x = 1 (b) y² + 2x = 1 (c) y² - 2x = -1 (d) y² + 2x = -1