Can We Cancel Those Zeroes?
Geometry
Level
3
\[\large \dfrac{\sin 20^\circ \sin 40^\circ \sin 60 ^\circ\sin 80^\circ}{\sin 10^\circ \sin 30^\circ \sin 50 ^\circ\sin 70^\circ} = \, ? \]
by
Rohit Udaiwal