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The expression (tanA)/(1-cotA)+(cotA)/(1...

The expression `(tanA)/(1-cotA)+(cotA)/(1-tanA)` can be written as :

A

sec A cosec A+ 1

B

`"tan" A+ cot A `

C

`Sec A+ cosec A`

D

`"sin" A cos A + 1.`

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The correct Answer is:
A
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