Trigonometry - Trigonometric Identities Equations Double Angle Formulae | O-Level Additional Math

This Math video is about applying the Basic Trigonometric Identities and Double Angle Formulae to prove other trigonometric identities & to simplify and solve trigonometric equations.

2021 Nan Chiau High Prelim

I teach Additional Math and Accounting for GCE O-Level, IGCSE, AUSMAT and Diploma in schools and tuition since 2008.

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Quadratic Equations & Inequalities

Surds

Polynomials, Cubic Equations & Partial Fractions

Binomial Theorem

Logarithms & Exponents

Coordinate Geometry

Linear Law

Trigonometry

Differentiation

Integration

Kinematics

Plane Geometry

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