railway DFCCIL MTS 2025 Mock Test Series Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

एका त्रिकोणात, ∠C = 90° आणि ∠A = 60° तर sin A/2 + cosecA = ?

1
(√3 + 4)/2
2
(√3 + 4)/2√3
3
(√2 + 4)/3√3
4
(√3 + 4)/√3
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