x = A sin â¡ ( Ï [ t â K ] ) + b , {\displaystyle x=A\sin(\omega [t-K])+b\ ,}. 1  A is the amplitude (or peak amplitude), 2  x is the oscillating variable, 3  Ï is angular frequency, 4  t is time, 5  K and b are arbitrary constants representing time and displacement offsets respectively.
Modeling agency. A modeling agency is a company that represents fashion models, to work for the fashion industry. These agencies earn their income via commission, usually from the deal they make with the model and or the head agency. The top agencies work with big-budget advertising agencies and fashion designers.
1 For example, if an agency states that it will only look at models over 5ft7 and you're 5ft2, there's not much point in applying there. 2  If you want to do fashion modeling and the agency exclusively represents glamor models, do not apply there. 3  You are just wasting their time and your own time if you do. If you want to do fashion modeling and the agency exclusively represents glamor models, do not apply there. 2  You are just wasting their time and your own time if you do. 3  Be wary of any agency that wants to sign you without meeting you first.