can you please show me the steps to solve this problem?
it crosses the x axis same places as cos x, however its amplitude is 4 (max height is 4, wherein cos x max height was 1). so it is as if you stretched the y=cosx graph.
does this help?
On paper.
Comments
it crosses the x axis same places as cos x, however its amplitude is 4 (max height is 4, wherein cos x max height was 1). so it is as if you stretched the y=cosx graph.
does this help?
On paper.