railway RRB Technician Grade 3 Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
यदि \(tan\theta=\frac{12}{13}\) है तब \(\frac{2sin\theta cos\theta}{cos^2\theta -sin^2\theta }\) का मान ज्ञात कीजिए।
1
\(\frac{13}{12}\)
2
\(\frac{413}{25}\)
3
\(\frac{312}{25}\)
4
\(\frac{512}{25}\)