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1983 AMC 12 Question 5

AMC12 · 1983 AMC 12

Question 5

Triangle $ABC$ has a right angle at $C.$ If $\sin A=\frac23,$ then $\tan B$ is
  1. $\frac35$
  2. $\frac{\sqrt5}{3}$
  3. $\frac{2}{\sqrt5}$
  4. $\frac{\sqrt5}{2}$
  5. $\frac53$