Paper 2 featured questions on Argand diagrams, specifically involving the locus of a circle and half-lines, and calculating the greatest possible value of Vectors & Geometry: Questions required finding the area of triangles (e.g., cap delta cap O cap A cap P
: Students had to sketch the locus of a circle and a half-line on an Argand diagram, identifying points of intersection and calculating the greatest possible value of 2012 njc prelim h2 math