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      Question

      2[sin x – cos x]4 + 6[sin x + cos

      x]2 + 5[sin6 x + cos6 x]= ?
      A 6 Correct Answer Incorrect Answer
      B 4 Correct Answer Incorrect Answer
      C 3 Correct Answer Incorrect Answer
      D 13 Correct Answer Incorrect Answer

      Solution

      The correct answer is A

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