defence exam Indian Coast Guard Assistant Commandant (GD/CPL) 2025 Test Series Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
2 tan A = 3 tan B = 1 என்றால், tan (A - B) என்பது எதற்கு சமம்?
1
\(\frac{1}{5}\)
2
\(\frac{1}{6}\)
3
\(\frac{1}{7}\)
4
\(\frac{1}{9}\)