Nanyang Junior College — H2 Maths Prelim Questions & Worked Solutions
2025 · Paper 1 · Complex NumbersArgand geometry: rhombus from equal moduli, arg of sum, and reflecting a point in OP.●●●2025 · Paper 1 · Maclaurin SeriesExpand cos(t^3), integrate term by term, then verify the integral exactly via sin(x^3).●●○2025 · Paper 1 · VectorsProve a right angle using dot products and find a triangle's area via cross product.●●○2025 · Paper 2 · Complex NumbersConjugate-pair roots of an imaginary-coefficient cubic, then x to -x substitution for the related cubic.●●○