Question

When is it better to use the sine function and when is it better to use the cosine function when modeling sinusoids behavior

Answer 1

A sine function is as shown below

A cosine function is as shown below

The combination of both sine and cosine function is as shown below

It can be observed from the above combination that:

Cosine is better when the maximum is on the y- axis and sine is better if the midline is at the center.