21 2 The effect of a in the function y = a sin x. Now that we have sketched the function f(x) = sinx, let's explore how the function y = a sin x will look like. Below are the graphs of h 45° • f(x)=sinx; g(x) = 2 sin x; h(x) = - sin x 135 225 270° 315° 0 1. Write down the value of a in each case. How did this value affect the shape of the graph? 2. Complete the table below: f(x) g(x) h(x) Amplitude Period Range Domain We can therefore say that a influences the graph ...... of the ​