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If y(sec^(2)theta-tantheta)/(sec^(2)thet...

If `y(sec^(2)theta-tantheta)/(sec^(2)theta+tantheta)'`then

A

`1/3leyle3`

B

`ycancel(in)[(1)/(3),3]`

C

`-3ltylt-(1)/(3)`

D

none of these

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The correct Answer is:
A
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