use your calculator to evaluate $cos^{-1}(-0.09)$ to at least 3 decimal places. give the answer in radians.

use your calculator to evaluate $cos^{-1}(-0.09)$ to at least 3 decimal places. give the answer in radians.
Answer
Explanation:
Step1: Use inverse - cosine function on calculator
Enter $\cos^{-1}(-0.09)$ into the calculator. Make sure the calculator is set to radian mode.
Step2: Round the result
Round the calculator - output to 3 decimal places.
Answer:
1.662