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Algebraic Methods, Radians and Trigonometric Functions
infoWhy this? Advanced algebraic techniques keep complex expressions manageable and preserve exactness in sophisticated problems. Radians link angle directly to arc length and sector area, making them the natural unit for calculus and trigonometry. Treating sine, cosine and tangent as functions brings out periodicity, symmetry, transformations and graphical behaviour.
scheduleWhy now? Year 13 begins here so students refresh and extend Year 12 algebra before functions, calculus and series all demand it. Radians are introduced and started to be applied to trigonometric functions which will underpin further trigonometric applications calculus.
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