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[" 4."tan40^(@)+tan80^(@)-sqrt(3)tan40^(...

[" 4."tan40^(@)+tan80^(@)-sqrt(3)tan40^(@)tan80^(@)=],[" 1) "sqrt(3)" 2) "-sqrt(3)" 3) "(1)/(sqrt(3))quad " 4) "(-1)/(sqrt(3))]

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tan20^(@)-tan80^(@)+sqrt(3)tan20^(@)tan80^(@)=

tan20^(@)+tan40^(@)+sqrt(3)tan20^(@).tan40^(@)=?

tan 20^(@) + tan40^(@) + sqrt(3).tan 20^(@).tan 40^(@)=

Find tan 20^(@) + tan40^(@) + sqrt(3)tan20^(@)tan40^(@) .

tan^(-1)sqrt(3)

The value of tan20^(@)+tan40^(@)+sqrt(3)tan20^(@)tan40^(@) is

tan20^@+tan40^@+sqrt3tan20^@tan40^@=

tan 20^(@) + tan40^(@) + sqrt(3).tan 20^(@).tan 40^(@)= ................... A) (1)/(sqrt3) B) sqrt3 C) -(1)/(sqrt3) D) -sqrt3