You'll need to post one problem/thread (specially when these are similar).We’ve been out of school cause of Covid and I have no idea how to do this will you please help/walk me through it
Let's start with the first one. Can you answer the questions if the function was just cos(x)? How should your answers change if it's now 3cos(x)? And 3cos(2x)?We’ve been out of school cause of Covid and I have no idea how to do this will you please help/walk me through it