Fall O.
asked • 04/21/21How do you prove sin x - csc x / cos x - cot x = cos x / 1- sin x
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Yefim S. answered • 04/21/21
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(sinx - cscx)/(cosx - cotx) = (sinx - 1/sinx)/(cosx - cosx/sinx) = (sin2x -1)/[cosx(sinx - 1)] = - cos2x/[cosx(sinx - 1) = cosx/(1 - sinx)
Mark M.
cos x - (cos x / sinx ) = cos x (1 - 1 / (sin x))
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04/21/21
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Mark M.
Use grouping symbols to accurately indicate numerator and denominator.04/21/21