Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
(tan57° + cot37°)/ (tan33° + cot53° ) =?
1
sin53° + cos33°
2
tan53°× tan57°
3
sin53° × sin57°
4
More than one of the above
5
None of the above