Question

Question #70da0

Answer 1

Use the inverse cosine function on a calculator.

Explanation:

Enter 0.8266 into a calculator.

Hit the button marked `cos^-1`

You should obtain the number `34.24895640`

Rounded to the nearest hundredth of a degree `34.25^@` this is the reference angle.

To find the other value that occurs within your specified domain, subtract the reference angle from `360^@`:

`360 - 34.24895640 = 325.75^@`