Find the exact value of the expressions (Also explain how you did it, and just tell me what mode you used on your calculator like degree or angle ty: 1.) sin (-112.5°)

2.) cos 105°

3.) tan 22.5°

4.) sin 67.5°

5.) cos (-7pi/8)

6.) tan (-75°)

7.) cos (-pi/8)

8.) sin 7pi/8

9.) cos 165°

10.) cos (-112.5°)

11.) sin (-22.5°)

12.) tan 105° ​

Solved
Show answers

Ask an AI advisor a question