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Q. 67

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Precalculus Enhanced with Graphing Utilities

Found in: Page 381

Book edition 6th

Author(s) Sullivan

Pages 1200 pages

ISBN 9780321795465

Answers without the blur.

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Short Answer

Use a calculator to find the approximate value of each expression rounded to two decimal places.
$\sec 21 °$

The approximate value of the given expression is 1.07.

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Step by Step Solution

TABLE OF CONTENTS :

TABLE OF CONTENTS

Step 1. Given information.

The given expression is:

$\sec 21 °$

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.

$\begin{array}{rcl} \sec 21 ° & = & 1.07114 . . . \\ \approx & 1.07 \end{array}$

Step 3. Conclusion.

The approximate value of the given expression is 1.07.

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Precalculus Enhanced with Graphing Utilities

Answers without the blur.

Short Answer

Use a calculator to find the approximate value of each expression rounded to two decimal places.
$\sec 21 °$

Step by Step Solution

Step 1. Given information.

Step 2. Determine the approximate value.

Step 3. Conclusion.

Most popular questions for Math Textbooks

Want to see more solutions like these?

Recommended explanations on Math Textbooks

Select your language

Precalculus Enhanced with Graphing Utilities

Answers without the blur.

Short Answer

Use a calculator to find the approximate value of each expression rounded to two decimal places.sec21°

Step by Step Solution

Step 1. Given information.

Step 2. Determine the approximate value.

Step 3. Conclusion.

Most popular questions for Math Textbooks

Want to see more solutions like these?

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Use a calculator to find the approximate value of each expression rounded to two decimal places.
$\sec 21 °$