Explanation Result used: “If ( r , θ ) is a point in polar coordinates, then x = r cos θ and y = r sin θ .” Calculation: The given point ( 8.0 , − 8.0 ) is in the form of ( r , θ ) . Compute the value of x as follows. x = r cos θ = 8.0 ( cos ( − 8.0 ) ) = 8 cos ( 8.0 ) ≈ − 1

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ISBN: 9780134437705

Author: Washington

Publisher: PEARSON

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Chapter 21.10, Problem 27E

To determine

To transform: The polar coordinates (8.0,−8.0) into rectangular coordinates.

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Chapter 21.10, Problem 26E

Chapter 21.10, Problem 28E

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Chapter 21 Solutions

Basic Technical Mathematics

Ch. 21.1 - Find the distance between (−2, 6) and (5, −3). Ch. 21.1 - Prob. 2PE Ch. 21.1 - Prob. 1E Ch. 21.1 - Prob. 2E Ch. 21.1 - Prob. 5E Ch. 21.1 - In Exercises 5–14, find the distance between the...Ch. 21.1 - Prob. 7E Ch. 21.1 - Prob. 8E Ch. 21.1 - Prob. 9E Ch. 21.1 - Prob. 10E

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To transform: The polar coordinates ( 8.0 , − 8.0 ) into rectangular coordinates.

To transform: The polar coordinates (8.0,−8.0) into rectangular coordinates.

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Chapter 21 Solutions