Question

How do you solve `sin^2theta=1`?

Answer 1

`pi/2 + kpi`

Explanation:

`sin^2 t = 1`
`sin t = +- 1`
Unit circle -->
a. sin t =1 --> `t = pi/2 + 2kpi`
b. sin t = -1 --> `t = 3pi/2 + 2kpi`
Combined general answer:
`t = pi/2 + kpi`