MCQ
If $\theta=30^{\circ}$ then, $\tan 2 \theta=$ ?
- A$\frac{1}{\sqrt{3}}$
- ✓$\sqrt{3}$
- C$1$
- D$0$
✓
Answer
Correct option: B.
$\sqrt{3}$
$\tan 2 \theta=\tan \left(2 \times 30^{\circ}\right)$
$=\tan 60^{\circ}=\sqrt{3}$
$=\tan 60^{\circ}=\sqrt{3}$
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