Please help me to drawing graph(sin graph + width )

I want to drawing graph like picture that I uploaded.

could you help me ? please I don't know how to drawing like that.

Answer 1

[Sanjana Ramakrishnan]

You can plot a sin wave using 'sin' function. Refer the below link and example:

https://www.mathworks.com/help/matlab/ref/sin.html

Example:

t = [0:0.01:2*pi]

a = sin(t);

plot(t,a)