Chapter 11.2, Problem 13E

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6th Edition

Daniel C. Alexander + 1 other

ISBN: 9781285195698

Textbook Problem

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In Exercise 9 to 16, use a calculator to find the indicated cosine ratio to four decimal places.

To determine

**To find:**

To find

Explanation

Consider the following value,

Using a scientific calculator in degree mode, follow the following key sequence,

Using a graphing calculator in degree mode, follow the following key sequence,

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