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Given tan A = 3 and tan B = 1/2, what is tan(A − B)?
A5/2
B1/2
C1
D7/5
Answer & Solution
Correct answer: C. 1
tan(A − B) = (3 − 1/2)/(1 + 3/2) = (5/2)/(5/2) = 1.
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