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    Mathematics A-Level

    cosec(x)

    What cosec(x) means in Mathematics A-Level, as defined for Pearson Edexcel.

    Definition of cosec(x)

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    Reference: Pearson Edexcel

    The cosecant function, defined as the reciprocal of the sine function: cosec(x) = 1/sin(x).
    Pearson Edexcel · Trigonometry (study guide)

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