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  9. Q972

RRB Junior Engineer / DMS / CMA 2019 · Question 972 of 3719

If tan α =$$ \frac{1}{2}$$, tan β = $$ \frac{1}{3}$$, then find α + β

  1. A$$135^\circ$$
  2. B$$45^\circ$$Correct
  3. C$$90^\circ$$
  4. D$$0^\circ$$

Answer: B. $$45^\circ$$

Official answer key verified. Detailed explanation coming soon.

Source: RRB JE 2019 CBT-1 (24-May-2019 Shift 3) — cracku.in solved paper with answer key · reliable-secondary

← Q971View full paper (3719 questions)Q973 →

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