Question

Use a calculator to find an approximate value of the following expression correct to five decimal places, if it is defined. cos⁻¹(0.31187)

Answer 1

To find the approximate value of cos⁻¹(0.31187) correct to five decimal places, use a calculator and follow these steps: enter the value 0.31187, press the inverse cosine button, calculate the result, and round to five decimal places. The approximate value is 1.25354.

Step-by-step explanation:

To find the approximate value of the expression cos⁻¹(0.31187) correct to five decimal places, you can use a calculator. Here's how:

1. Press the inverse cosine function button on the calculator, usually represented as cos⁻¹ or acos.
2. Enter the value 0.31187 into the calculator.
3. Press the equals button to calculate the result.
4. Round the result to five decimal places.

After following these steps, the approximate value of cos⁻¹(0.31187) correct to five decimal places is 1.25354.