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Reduction Formulae Reduction formulae allow you to express trigonometric functions of any angle in terms of a function of an acute angle (between $0°$ and $90°$). These formulae are based on the CAST…
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This section covers Reduction Formulae as part of Trigonometry in Grade 11 Mathematics. You'll find clear explanations, worked examples, and key definitions aligned to the CAPS curriculum.
Yes. All notes on Hlayiso, including "Reduction Formulae", are written against the official CAPS curriculum and ATP for Grade 11 Mathematics.
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