Using the Law of Cosines, find angles A and B when a = 5, b = 4, and c = 8.

a. A = 38.1ø, B = 43.7ø
b. A = 30.75ø, B = 24.15ø
c. A = 35.1ø, B = 30.75ø
d. A = 24.15ø, B = 35.1ø
e. A = 48.1ø, B = 21.9ø


b. A = 30.75ø, B = 24.15ø

Mathematics

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