maths

Prove
SinA/1-CosA = CosecA + CotA

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  1. pl help

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  2. Assuming all are using angle A,

    sin/(1-cos)
    = sin(1+cos)/(1-cos)(1+cos)
    = sin(1+cos)/(1-cos^2)
    = sin(1+cos)/sin^2
    = (1+cos)/sin
    = csc+cot

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