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      Question

      If cot A = √3, then what will be the value of

      sin4 A?
      A 1/4 Correct Answer Incorrect Answer
      B 1/16 Correct Answer Incorrect Answer
      C 3/16 Correct Answer Incorrect Answer
      D 1/8 Correct Answer Incorrect Answer

      Solution

      cot A = √3 Or, cot A = cot 30° So, A = 30° So, required value = sin4 A = (sin 30°)4 = (1/2)4 = 1/16

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