Asked by mike

prove
1/sinx-sinx=cos^2xcscx
Answered by mike
please help its due tomorrow
Answered by Reiny
work on the left side
LS = 1/sinx - sinx
= (1 - sin^2 x)/sinx , after finding a common denominator of sinx
= (cos^2 x)/sinx , because sin^2 x + cos^2 x = 1
= (cos^2 x)(1/sinx)
= (cos^2 x)(cscx)
= RS
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