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The value of $$\frac{{{\text{co}}{{\text{s}}^2}{{60}^ \circ } + 4{\text{se}}{{\text{c}}^2}{{30}^ \circ } - {\text{ta}}{{\text{n}}^2}{{45}^ \circ }}}{{{{\sin }^2}{{30}^ \circ } + {\text{co}}{{\text{s}}^2}{{30}^ \circ }}}$$      is?
Options:
A .  $$\frac{{64}}{{\sqrt 3 }}$$
B .  $$\frac{{55}}{{12}}$$
C .  $$\frac{{67}}{{12}}$$
D .  $$\frac{{67}}{{10}}$$
Answer: Option B

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