Perform the indicated operations. Express results in polar form. See Example 3. 15.9 142.6 18.5 71.4

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Perform the indicated operations. Express results in polar form. See Example 3.

15.9∠142.6° − 18.5∠71.4°


Data from Example 3

Perform the addition 1.563∠37.56° + 3.827∠146.23°. In order to do this addition, we must change each number to rectangular form:


Converting back to polar form, we get 3.641∠122.24° (see Fig. 12.17).

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Basic Technical Mathematics

ISBN: 9780137529896

12th Edition

Authors: Allyn J. Washington, Richard Evans

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