railway RRB Technician Grade 3 Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
যদি \(sinx = \frac{m}{{\sqrt {1\; + \;{m^2}} }}\) হয় তাহলে ‘tanx’ এর মান খুঁজে নাও।
1
\(\frac{{{m^2}}}{{1\; + \;{m^2}}}\)
2
\(\sqrt {1 + {m^2}} \)
3
m
4
\(\frac{{{m^2} - 1}}{{{m^2}\; + \;1}}\)