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  1. A

    Atar query

    Say a person's ranked 2nd in a course and their HSC exam mark is much higher than the person ranked first. Is it possible to get a higher atar than the person internally ranked 1st.
  2. A

    Trigonometric functions HSC question

    Yep. Pretty much
  3. A

    Solving trigonometric functions Multiple choice HSC

    Don't take the inverse to start with. Divide both sides by sqrt3. So tanx=-1/sqrt3 Then find the reference angle (use the triangles). Look at which quadrants tan is negative in, as it is -1/sqrt3
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