1.

I :tan 20^@+ tan 40^(@) + sqrt(3) tan 20^(@) tan 40^(@) =1 II : ((1+ tan 21^(@))(1+ tan 24^(@)))/((1+ tan 22^(@) )(1+ tan 23^(@)))=2

Answer»

only I is TRUE
only II is true
both I & II are true
NEITHER I nor II are true

Answer :D


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