   Chapter 8.2, Problem 37E ### Calculus: An Applied Approach (Min...

10th Edition
Ron Larson
ISBN: 9781305860919

#### Solutions

Chapter
Section ### Calculus: An Applied Approach (Min...

10th Edition
Ron Larson
ISBN: 9781305860919
Textbook Problem
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# Evaluating Trigonometric Functions In Exercises 33-42, use a calculator to evaluate the trigonometric function to four decimal places. sec 110 °

To determine

To calculate: The approximate value of trigonometric function sec110° up to four decimal places.

Explanation

Given information:

The provided trigonometric function is sec110°.

Formula used:

According to trigonometric reciprocal identity,

secθ=1cosθ

Calculation:

Consider the trigonometric function is,

sec110°

Since, we can write sec110°=1cos110° using reciprocal identity secθ=1cosθ.

Use the TI-83 calculator to calculate the approximate value of the trigonometric function 1cos110°.

Step 1: Press ON key to turn on the calculator.

Step 2: Press MODE key and select DEGREE with the help of Down Arrow key to change the mode from Radian to degree.

Step 3: Press CLEAR key to clear the screen of the calculator.

Step 4: Add the numeric value 1 by pressing 1

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