Solve $\displaystyle {{\tan}^{{2}}{\left(\theta\right)}}={1}$ on the interval $\displaystyle {\left[{0},\pi\right)}$.
The answers are $\displaystyle {A}$ and $\displaystyle {B}$ where $\displaystyle {0}<{A}<{B}<\pi$.
$\displaystyle {A}=$ Preview Question 6 Part 1 of 2   ,
$\displaystyle {B}=$ Preview Question 6 Part 2 of 2   .