### Home > PC > Chapter 5 > Lesson 5.1.2 > Problem5-27

5-27.

Find all solutions to the equations if $0 ≤ θ ≤ 2π$

1. $\sec θ = −2$

$\frac{1}{\text{cos}\theta}=-2$

$1=-2\cos\theta$

$-\frac{1}{2}=\cos\theta$

1. $\cot θ = \sqrt { 3 }$

Use a similar thinking process as in part (a).