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  9. Q501

RRB Group D (Level-1 posts) 2022 · Question 501 of 598

Find the value of 2sec2A + 4cosec2A - 2tan2A - 4cot2A.

  1. A2
  2. B6Correct
  3. C8
  4. D4

Answer: B. 6

Explanation

The value is derived using trigonometric identities: sec²A - tan²A = 1 and cosec²A - cot²A = 1.

Source: RRB Group D 2022 Prev. Yr. Paper (22 Aug 2022) (Shift 1) - FreshersNow · reliable-secondary

← Q500View full paper (598 questions)Q502 →

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