other govt exam AIIMS CRE LDC/UDC/Steno/DEO/JAA/SAA Test Series 2025 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

Find the value of 3(sec2 A - 1) (cosec A - 1) (cosec A + 1) + 4 (cosec2 A - cot2 A).

1
7
2
3
3
12
4
10
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