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    Mathematics A-Level

    compound angle formulas

    What compound angle formulas means in Mathematics A-Level, as defined for WJEC.

    Definition of compound angle formulas

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    Reference: WJEC

    Formulas that expand trigonometric ratios of compound angles, including sin(A ± B), cos(A ± B) and tan(A ± B).
    WJEC · Trigonometry (A2 Unit 3: Pure Mathematics B)

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    Using compound angle formulas in the exam

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