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      Question

      Find the value of the following expression.

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      A sec θ + tan θ Correct Answer Incorrect Answer
      B cosec θ + tan θ Correct Answer Incorrect Answer
      C cosec θ + cot θ Correct Answer Incorrect Answer
      D sec θ + cot θ Correct Answer Incorrect Answer

      Solution

      The identity for the difference of squares: 1 − sin2θ = cos2θ  

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