Chapter 13.5, Problem 1ST

a.

To determine

The given value of degree into radians.

Explanation of Solution

Given information:

The given degree is $165°$

Calculations:

The given degree is $165°$

Now to convert the degree into radians we have to multiply with $\pi$ and divide with $180°$ .

  $165°=165\times \frac{\pi }{180}=\frac{11}{12}\pi .$

b.

To determine

The given value of degree into radians.

Explanation of Solution

Given information:

The given degree is $256°$

Calculations:

The given degree is $256°$

Now to convert the degree into radians we have to multiply with $\pi$ and divide with $180°$ .

  $256°=256°\times \frac{\pi }{180}=1.4222\pi .$