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book Fundamentals of Engineering Electromagnetics 1st Edition by David Cheng cover

Fundamentals of Engineering Electromagnetics 1st Edition by David Cheng

Edition 1ISBN: 978-0201566116
book Fundamentals of Engineering Electromagnetics 1st Edition by David Cheng cover

Fundamentals of Engineering Electromagnetics 1st Edition by David Cheng

Edition 1ISBN: 978-0201566116
Exercise 17
If the three sides of an arbitrary triangle are denoted by vectors A, B, and C in a clockwise or counterclockwise direction, then the equation A + B + C = 0 holds. Prove the law of sines.
HINT: Cross multiply the equation separately by A and by B , and examine the magnitude relations of the products.
Explanation
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Consider a triangle as shown in Figure 1...

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Fundamentals of Engineering Electromagnetics 1st Edition by David Cheng
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