Gaokao Math Practice Question
11. 在 $\triangle A B C$ 中, $\cos C=\frac{2}{3}, A C=4, B C=3$, 则 $\tan B=(\quad)$
- A.$\sqrt{5}$
- B.$2 \sqrt{5}$
- C.$4 \sqrt{5}$
- D.$8 \sqrt{5}$
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