What is the value of \(\frac{2\tan 30°}{1 - \tan^2 30°}\)?
Answer: A
This expression is the double-angle identity for tangent: \(\tan(2A) = \frac{2\tan A}{1 - \tan^2 A}\).
Here, A = 30°.
The expression is equal to \(\tan(2 \times 30°) = \tan 60°\).