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  1. V

    2014 HSC Mathematics Solutions

    Sorry, that was a typo. Its actually B (2 solutions).
  2. V

    2014 HSC Mathematics Solutions

    Q 7 is B actually
  3. V

    Section I: Multiple Choice

    There are actually only 2 solutions, since when you sub pi/2 into the equation, you get no solution. This is because tan(pi/2) does not exist (sub tan(pi/2) in your calculator and you will get math error).
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