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

If `tan 20^(@) =lamda,` then `(tan 160^(@) -tan 110^(@))/(1+ (tan 160^(@)) (tan 110^(@)))=` ............. A) `(1+ lamda ^(2))/(2 lamda)` B) `(1+ lamda^(2))/( lamda)` C) `(1- lamda^(2))/(lamda)` D) `(1- lamda^(2))/(lamda)`

A

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

B

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

C

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

D

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

Verified by Experts

The correct Answer is:

D

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