Graphs of Cosine and Sine. Cosine and sine of an angle θ are defined to be the x and y-coordinates of the point P on the unit circle with the property that the line from O to P makes and angle θ with ...

“We think that we still have some way to go in tightening monetary policy, although we also think that we are closer to the end,” de Cos, who is head of Spain’s central bank, said on Monday ...