Simplify \[\frac{\mathbf{si}{{\mathbf{n}}^{\mathbf{2}}}\mathbf{30{}^\circ }\mathbf{.co}{{\mathbf{s}}^{\mathbf{2}}}\mathbf{ 30{}^\circ - ta}{{\mathbf{n}}^{\mathbf{2}}}\mathbf{30{}^\circ }\mathbf{.ta}{{\mathbf{n}}^{\mathbf{2}}}\mathbf{60{}^\circ }}{{{\mathbf{(sin 60{}^\circ + cos60{}^\circ )}}^{\mathbf{2}}}}\]

Simplify \[\frac{\mathbf{si}{{\mathbf{n}}^{\mathbf{2}}}\mathbf{30{}^\c

1.	Simplify \[\frac{\mathbf{si}{{\mathbf{n}}^{\mathbf{2}}}\mathbf{30{}^\circ }\mathbf{.co}{{\mathbf{s}}^{\mathbf{2}}}\mathbf{ 30{}^\circ - ta}{{\mathbf{n}}^{\mathbf{2}}}\mathbf{30{}^\circ }\mathbf{.ta}{{\mathbf{n}}^{\mathbf{2}}}\mathbf{60{}^\circ }}{{{\mathbf{(sin 60{}^\circ + cos60{}^\circ )}}^{\mathbf{2}}}}\]
A.	\[\frac{-1}{2\sqrt{3}-4}\]
B.	\[\frac{-13(\sqrt{3}+2)}{4}\]
C.	\[\frac{1}{4+2\sqrt{3}}\]
D.	\[\frac{13}{8}(\sqrt{3}-2)\]
E.	None of these
Answer» E. None of these

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