Draw the graph of the following functions on the same axes:

$y=\sin x$ and $y=\sin 2x$

Draw the graph of the following functions on the same axes:

$y=\sin x$ and $y=\cos x, 0\le x\le 2\pi$

Draw the graph of the following functions on the same axes:

$y=\sin x$ and $y=\sin \left(x-\frac{\pi }{4}\right)$