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"84. \\( \\tan 20 ^ { \\circ } + \\tan 40 ^ { \\circ } + \\sqrt { 3 } \\tan 20 ^ { \\circ } \\tan 40 ^ { \\circ } \\) is equal to\n\\( \\begin{array} { l l l l } { \\text { (A) } \\frac { \\sqrt { 3 } } { 4 } } & { \\text { (B) } \\frac { \\sqrt { 3 } } { 2 } } & { \\text { (e) } \\sqrt { 3 } } & { \\text { (D) } 1 } \\end{array} \\)"

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