railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

(tan57° + cot37°)/ (tan33° + cot53°) =?

1
sin53° + cos33°
2
tan53°× tan57°
3
sin53° × sin57°
4
cos57° × cos53°
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