Chapter 11.2, Problem 31E

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6th Edition

Daniel C. Alexander + 1 other

ISBN: 9781285195698

Textbook Problem

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*In Exercise 29 to 37, angle measures should be given to the nearest degree; distances should be given to the nearest tenth of a unit.*

When an airplane is descending to land, the angle of depression is
*x* from touchdown?

To determine

**To find:**

To find the distance *x* from touchdown by using the following condition,

“When an airplane is descending to land, the angle of depression is

Explanation

Consider the following figure,

General formula for cosine ratio and sin ratio is given below,

From the given figure the value *x* ft

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