Cumbersome Cosines will Cost you

Geometry Level 3

\[ \large \cos(12^\circ) \cos(24^\circ) \cos(36^\circ) \cos(48^\circ) \cos(72^\circ) \cos(84^\circ) \]

If the expression above equals to \( \frac ab\) for coprime positive integers \(a\) and \(b\), what is the value of \(a + b\)?

×

Problem Loading...

Note Loading...

Set Loading...