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LearnEdexcelYMA012018 specificationWMA12 · Pure Mathematics 2Trigonometry

WMA12 · Module

Trigonometry

2 subtopics≈ 95 min in total

Start the module: Trigonometric identities Open graphing calculator

Trigonometric identities
The two identities at the heart of AS trigonometry, where they come from, and how to use them to simplify expressions, find exact values and write clear proofs.
≈ 40 min
Solving trigonometric equations
How to find every solution of a trig equation in an interval: principal value, symmetry, and period. Then equations with $2x$ or $x+30^\circ$ inside, quadratics in $\sin x$ or $\cos x$ , and equations that need an identity first.
≈ 55 min