Question

Find all solutions to the equation. sin^2x + sin x = 0

Answer 1

Explanation:

sen x = y, soon we have

y^2 + y = 0

y = 0 or y = -1

sen x = 0 we have x = 0 + 180k
`\pi` and if

sen x = -1 we have x = 3pi/2 + 360k.pi