Q. 66 - Precalculus Enhanced with Graphing Utilities

Question

Use a calculator to find the approximate value of each expression rounded to two decimal places.

$\cos 14°$

Step-by-Step Solution

Answer

The approximate value of the given expression is 0.97.

Step 1. Given information.

The given expression is:

$\cos 14°$

Step 2. Determine the approximate value.

First, set the MODE to receive degrees in the calculator, then find the value rounded to two decimal places.

$\begin{array}{rcl}\cos 14°& =& 0.9702957...\\ & \approx & 0.97\end{array}$

Step 3. Conclusion.

The approximate value of the given expression is 0.97.