Question #ea892

1 Answer
sente
Mar 25, 2016

(cos(x)-cot(x))/(cos(x)cot(x)) = cos(x)/(cos(x)cot(x))-cot(x)/(cos(x)cot(x))

=1/cot(x)-1/cos(x)

=1/(cos(x)/sin(x)) - 1/cos(x)

=sin(x)/cos(x)-1/cos(x)

=(sin(x)-1)/cos(x)

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