Asked by logan
prove identity cscx-(cosx)(cotx)=sinx
Answers
Answered by
Reiny
LS = 1/sinx - cosx(cosx/sinx)
= (1 - cos^2x)/sinx
= sin^2x/sinx
= sinx
= RS
= (1 - cos^2x)/sinx
= sin^2x/sinx
= sinx
= RS
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