railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
যদি sec θ + tan θ = 5 হয়, তাহলে tan θ এর মান নির্ণয় করুন।
1
\(\frac{5}{12}\)
2
\(\frac{13}{5}\)
3
\(\frac{13}{3}\)
4
\(\frac{12}{5}\)