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      Question

      The minimum value of 25 sin2 θ + 16

      cos2 θ is
      A 28 Correct Answer Incorrect Answer
      B 39 Correct Answer Incorrect Answer
      C 33 Correct Answer Incorrect Answer
      D 16 Correct Answer Incorrect Answer

      Solution

      The minimum  value of  asin 2 θ + bcos 2 θ  is   =  Lesser value between a & b. So the minimum  value of  25 sin 2 θ + 16 cos 2 θ  is  = Lesser value between  25 & 16 = 16

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