Question

यदि tanq=2 है तो tan2q का मान हैं​

Answer 1

Step-by-step explanation:

$\tan(q) = 2 \\ \tan(2q) = \frac{2 \tan(q) }{1 - { \tan }^{2}q } \\ = \frac{2 \times 2}{1 - {2}^{2} } = \frac{4}{1 - 4} = - \frac{4}{3}$