Instructor’s Solutions Manual, Section 5.2
Exercise 1
Solutions to Exercises, Section 5.2
In Exercises 1–8, convert each angle to radians.
◦
1. 15
solution
Start with the equation
◦
= 2π radians.
360
Divide both sides by 360 to obtain
π
◦
=
1
radians.
180
Now multiply both sides by 15, obtaining
15π
π
◦
=
radians =
15
radians.
180
12