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If tan 20^(@) =lamda, then (tan 160^(@) ...

If `tan 20^(@) =lamda,` then `(tan 160^(@) -tan 110^(@))/(1+ (tan 160^(@)) (tan 110^(@)))=`

A

`((1-p^(2))/(2p))`

B

`((2p)/(1+p^(2)))`

C

`((1+p)/(2p))`

D

`((1-p)/(2p))`

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A
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