Question

Write and equation for the line

Answer 1

`y = \cos(x) + 3`

Explanation:

This is an even trigonometric function.

It is a cosine function that has been translated up 3 units.

The amplitude of this function is 1.

The period is 2π

The cosine function that has all these properties has equation,

`y = \cos(x) + 3`