f=10; %frequency of sine wave

overSampRate=20; %oversampling rate

fs=overSampRate*f; %sampling frequency

phase = 1/3*pi; %desired phase shift in radian

nCyl = 8; %to generate five cycles of sine wave

t=0:1/fs:nCyl*1/f-1/fs; %time base

g=sin(2*pi*f*t+phase); %replace with cos if a cosine wave is desired

plot(t,g); title(['Sine Wave f=', num2str(f), 'Hz']);

Using MATLAB answer the following questions and show the graphs.

1)What changes do you need to make for doubling the amplitude of the signal?

2)What changes do you need to make so that the sinusoidal signal starts at (0, 0) or (0, 1)?