CPM Homework Help : PC Problem 5-27

CPM Homework Banner

Home > PC > Chapter 5 > Lesson 5.1.2 > Problem 5-27

5-27.

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

$\sec θ = −2$
Solution (a):
$\frac{1}{\text{cos}\theta}=-2$
$1=-2\cos\theta$
$-\frac{1}{2}=\cos\theta$

$\cot θ = \sqrt { 3 }$
Hint (b):
Use a similar thinking process as in part (a).

© 2022 CPM Educational Program. All rights reserved.