Question

use a calculator to find the value in decimal degrees.
cos^{-1}(-0.9702)=square^{circ}
(round to four decimal places as needed.)

Explanation:

Step1: Set the calculator mode

Set the calculator to degree mode.

Step2: Calculate the inverse cosine

Use the calculator to find \(\cos^{-1}(- 0.9702)\).

Answer:

\(165.0000\)