Školjka

%V0 Izračunaj umnožak $$ \left(1-\frac{\cos 61^{\circ}}{\cos 1^{\circ}}\right)\left(1-\frac{\cos 62^{\circ}}{\cos 2^{\circ}}\right)\ldots \left(1-\frac{\cos 119^{\circ}}{\cos 59^{\circ}}\right). $$