Question

Hi, I need help graphing f(x)=sin[2x+pi/2]
and cos[x+pi/3]-1 every time i put them in they don't match any of the answers

Answer 1

i use a ti-84 btw

Answer 2

wait do i need to put this into a sinusoidal equation then graph it?

Answer 3

Refer to the attached Mathematica plot.

Answer 4

like i've typed exactly that in my calculator but it doesn't come out the same

Answer 5

it comes out like that but its supposed to look like