layah2k00
layah2k00
04.12.2020 • 
Mathematics

For 0<x<pi/2, which exspresion is equivalent to sin(x/2)tan(x/2)/1-cos(x)?


For 0<x<pi/2, which exspresion is equivalent to sin(x/2)tan(x/2)/1-cos(x)?

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