Trigonometrymedium · Past Paper
If tan A = 1/2 and tan B = 1/3, what is the value of tan(A + B)?
A1/5
B5/6
C1
D0
✓ Correct Answer: C — 1
tan(A+B) = (1/2 + 1/3) / (1 - (1/2)(1/3)) = (5/6) / (1 - 1/6) = (5/6) / (5/6) = 1.
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✓ Correct Answer: C — 1
tan(A+B) = (1/2 + 1/3) / (1 - (1/2)(1/3)) = (5/6) / (1 - 1/6) = (5/6) / (5/6) = 1.
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