Quiz calculate sine, cosine functions

Functions may be entered as calculations on a degree or radian measure of angle. However, if using degrees, enter the degree symbol. Shortcuts are alt+o on windows 10; or command shift 8 on mac. Please pay attention to brackets as follows: When parameter b is entered brackets are f(x) = a sin (bxo)+d; When parameter c is entered brackets are f(x) = a sin ((x-c)o)+d; When parameters b and c are both entered brackets required are f(x) = a sin ((b(x-c))o)+d or f(x)=a sin ((bx-bc)o)+d.