Math
posted by Rose .
Verify the identity .
(cscXcotX)^2=1cosX/1+cosX
_______
sorry i cant help you
(cscXcotX)=1/sinX  cosX/sinX = (1cosX)/sinX
If you square this you have (1cosX)^2/(sinX)^2
Now use (sinX)^2 = 1  (cosX)^2 to get
(1cosX)^2 / 1  (cosX)^2 =
[(1cosX)*(1cosX)]/[(1  cosX)*(1 + cosX)
Then simplify.
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