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      Question

      Simplify: sin (A + B) sin (A -

      B)
      A sin┬▓ A - sin┬▓ B Correct Answer Incorrect Answer
      B cos┬▓ A - cos┬▓ B Correct Answer Incorrect Answer
      C sin┬▓ A + sin┬▓ B Correct Answer Incorrect Answer
      D cos 2A Correct Answer Incorrect Answer

      Solution

      The correct answer is A

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