# How do you graph #y=(cos2x)/2#?

##### 1 Answer

Feb 5, 2015

graph{cos(x) [-7, 7, -1.5, 1.5]}

Next, to change the argument from

graph{cos(2x) [-7, 7, -1.5, 1.5]}

Finally, we have to "squeeze" the graph vertically by a factor of 2 because, if a point

graph{cos(2x)/2 [-7, 7, -1.5, 1.5]}