### Home > A2C > Chapter 9 > Lesson 9.1.1 > Problem 9-17

9-17.

Without a calculator, find two solutions 0° ≤

*θ*< 360° that make each of the following equations true. Homework Help ✎

tan

*θ*= −1

60° and 300°

135° and 315°

Which quadrants will the angles be in?

See part (c).