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      Question

      If asin³  X + bcos³  X = sinXcosX and asinX = bcosX,

      then find the value of a² + b², provided that x is neither 0° nor 90°.
      B 1 Correct Answer Incorrect Answer
      C a² - b² Correct Answer Incorrect Answer
      D a² + b² Correct Answer Incorrect Answer

      Solution

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