1.

Which among the following is not similar?\[\mathbf{sin 60{}^\circ , 2 sin 30{}^\circ }\mathbf{.cos 30{}^\circ }\]\[\frac{\mathbf{2tan 30{}^\circ }}{\mathbf{1+ta}{{\mathbf{n}}^{\mathbf{2}}}\mathbf{30{}^\circ }}\mathbf{,}\frac{\sqrt{\mathbf{3}}}{\mathbf{2}}\]

A. \[sin\text{ }60{}^\circ ~\]                                                       
B. \[2\text{ }sin\text{ }30{}^\circ .cos\text{ }30{}^\circ ~\]
C.  \[\frac{2tan 30{}^\circ }{1+ta{{n}^{2}}30{}^\circ }\]                       
D.  \[\frac{\sqrt{3}}{2}\]
E. None of these
Answer» D.  \[\frac{\sqrt{3}}{2}\]


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