A) \[0\]
B) \[1/2\]
C) \[1\]
D) \[\infty \]
Correct Answer: D
Solution :
We have \[\cos A=\frac{\sqrt{3}}{2}\Rightarrow A={{30}^{o}}\] Þ \[\tan 3A=\tan {{90}^{o}}=\infty \].
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