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#10353 Bangla Language & Literature General Level 0

0≤x≤90ͦ হলে, sin3x=cosx সমীকরনের সধান হবে-

  1. A 0 ͦ, 22.5 ͦ
  2. B 0 ͦ, 45 ͦ
  3. C 22.5 ͦ, 45 ͦ
  4. D 45 ͦ, 45 ͦ
Answer: C - 22.5 ͦ, 45 ͦ

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