Dunman High School (DHS) — H2 Math prelim questions & solutions
Dunman High School (DHS) · Paper 1Parametric complex locus to ellipse, argument of a sum, and a quadratic from non-conjugate roots.Dunman High School (DHS) · Paper 1Expand e^x sin(x+pi) by series multiplication, then match a binomial expansion to find constants.Dunman High School (DHS) · Paper 2Position vectors, line equation, collinearity, and angle between vectors via scalar product.