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The value of {{{2}{{{{40}}}^{{}}.}{{{{50}}}^{{}}.}{{{10}}}^{{}

Question

The value of $\frac{2 sin 40 ^{\circ} . sin 50 ^{\circ} . tan 10 ^{\circ}}{cos 80 ^{\circ}}$ is

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The value of

\frac{2 sin 40 ^{\circ} . sin 50 ^{\circ} . tan 10 ^{\circ}}{cos 80 ^{\circ}}

is

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Question Text

The value of

\frac{2 sin 40 ^{\circ} . sin 50 ^{\circ} . tan 10 ^{\circ}}{cos 80 ^{\circ}}

is