MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Chapter 1, Problem 16P

The three shown circles, with radius 15 in.,

10.5 in., and 4.5 in., are tangent to each other.

(a) Calculate the angle ? (in degrees) by using the law of cosines.

(Law of cosines: c 2 a 2 + b 2 2 a b c o s γ )

(b) Calculate the angles γ and α (in degrees) using the law of sines.

(c)Check that the sum of the angles is 180°.

Chapter 1, Problem 16P, The three shown circles, with radius 15 in., 10.5 in., and 4.5 in., are tangent to each other. (a)

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Chapter 1 Solutions

MATLAB: An Introduction with Applications

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