railway RRB JE (CBT I + CBT II) Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
যদি cosecθ - cotθ = m এবং secθ - tanθ = n হয়, তাহলে cosecθ + secθ এর মান কত হবে?
1
1/2 (m + n + \(\frac{1}{m}\) + \(\frac{1}{n}\))
2
(m + n + \(\frac{1}{m}\) + \(\frac{1}{n}\))
3
1/2 (m + n - \(\frac{1}{m}\) - \(\frac{1}{n}\))
4
(m + n - \(\frac{1}{m}\) - \(\frac{1}{n}\))