\(\tan \theta = \frac{12}{13},\) என்றால்  \(\frac{2 \sin \theta \cos \theta}{\cos^2 \theta - \sin^2 \theta}.\)ன்  மதிப்பு என்ன ?

1
\(\frac{13}{12}\)
2
\(\frac{413}{25}\)
3
\(\frac{312}{25}\)
4
\(\frac{512}{25}\)

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