In ΔABC, a = 3 units; b = 4 units; c = 5 units. Then cos A = A) 3/5 B) 3/4 C) 5/3 D) 4/5
In ΔABC, a = 3 units; b = 4 units; c = 5 units. Then cos A =
A) 3/5
B) 3/4
C) 5/3
D) 4/5
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