Question

Can someone heal me here:

Answer 1

srry i meant help

Answer 2

well for a trig graph

y =acos(bx)

a is the amplitude

so the equation above is centred on y = 0

so the max height of the curve is y = a

and the min height is y = -a

hope that makes sense

you can always graph the curve to check

https://www.desmos.com/calculator

Answer 3

if you graph it use x instead of t