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If (secalpha+tanalpha)(secbeta+tanbeta)(...

If `(secalpha+tanalpha)(secbeta+tanbeta)(secgamma+tangamma)=tanalphatanbetatangamma`, then `(secalpha-tanalpha)(secbeta-tanbeta)(secgamma-tangamma)=`

A

`cot alpha cot beta cot gamma`

B

`tan alpha tan beta tan gamma`

C

`cot alpha + cot beta + cot gamma`

D

`tan alpha +tan beta + tan gamma`

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The correct Answer is:
A
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