: In the triangle shown a = 5. 3in., y= 42°, and b= 6in. Define a, Y, and b as variables, and then: (a) Calculate the length c by using the Law of Cosines. B (Law of Cosines: c2 = a²+b-2abcosy) (b)Calculate the angles a and B (in degrees) using the Law of Cosines. (c) Check that the sum of the angles is 180°. Ans: (a) c= 4.1019 (b) alpha =59.8328, beta =78.1672 (c) Total = 180.0000 %3!

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
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?: In the triangle shown a = 5. 3in., y = 42°, and
b = 6in. Define a, Y, and b as variables, and
then:
(a) Calculate the length c by using the Law of Cosines.
B
(Law of Cosines: c2 = a?+ b-2abcosy)
(b)Calculate the angles a and B (in degrees) using the Law of Cosines.
(c) Check that the sum of the angles is 180°.
Ans: (a) c= 4.1019
(b) alpha =59.8328, beta =78.1672
(c) Total = 180.0000
Transcribed Image Text:?: In the triangle shown a = 5. 3in., y = 42°, and b = 6in. Define a, Y, and b as variables, and then: (a) Calculate the length c by using the Law of Cosines. B (Law of Cosines: c2 = a?+ b-2abcosy) (b)Calculate the angles a and B (in degrees) using the Law of Cosines. (c) Check that the sum of the angles is 180°. Ans: (a) c= 4.1019 (b) alpha =59.8328, beta =78.1672 (c) Total = 180.0000
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