Question

How do you solve `tan^2x + tan x =0`?

Answer 1

`0, pi, 2pi, (pi/4) + kpi`

Explanation:

tan x(1 + tan x) = 0
a. tan x = 0 --> x = 0 and `x = pi, and x = 2pi`
b. tan x = -1 --> `x = (3pi)/4 + kpi`