railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
यदि \(\rm \frac{{(1 - \cos \theta )}}{{\sin \theta }}\) = \(\frac{1}{5}\) है, तब \(\rm \frac{{(1 + \cos \theta )}}{{\sin \theta }}\) का मान क्या होगा?
1
5
2
2/5
3
4/5
4
1/5