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    • Question

      If cos A = 1/2, then what will be the value of tan² A +

      1?
      A 4 Correct Answer Incorrect Answer
      B 3 Correct Answer Incorrect Answer
      C 2 Correct Answer Incorrect Answer
      D 5 Correct Answer Incorrect Answer

      Solution

      cos A = 1/2
      ⇒ cos A = cos 60°
      ⇒ A = 60°
      ⇒ tan² A + 1 = (tan 60°)² + 1 = 3 + 1 = 4

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