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Solve (tan3x-tan2x)/(1+tan3xtan2x ')=1...

Solve `(tan3x-tan2x)/(1+tan3xtan2x ')=1`

A

`phi`

B

`(pi)/(4)`

C

`{npi+(pi)/(4):n=1,2,3,...}`

D

`{2npi+(pi)/(4):n=1,2,3,...}`

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A
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