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RRB Junior Engineer / DMS / CMA 2019 · Question 365 of 3719

If Cosec$$\alpha$$=$$\sqrt{2}$$ Evaluate $$\frac{2sin^{2}\alpha+3cos^{2}\alpha}{cosec^{2}\alpha+cot^{2}\alpha} $$

  1. A$$\frac{5}{6}$$Correct
  2. B$$\frac{5}{2}$$
  3. C$$\frac{5}{12}$$
  4. D$$\frac{5}{3}$$

Answer: A. $$\frac{5}{6}$$

Official answer key verified. Detailed explanation coming soon.

Source: RRB JE 2019 CBT-1 (1-June-2019 Shift 3) — cracku.in solved paper with answer key · reliable-secondary

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