Teaching Railway Teacher PRT 2025 Mock Test Series Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
खालील पदावलीला सरळ रुप द्या:
\(\sqrt{\frac{1 + \cos\theta}{1 - \cos\theta}}\)
1
secθ + cotθ
2
cosecθ - cotθ
3
secθ - cotθ
4
cosecθ + cotθ