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

If sin3A = cos(30° - A), where A is an acute angle, then what is the value of 2cosecA + tan22A - cot2A

1
17/2
2
5
3
4
4
7/4
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