A plane makes a loop in the air modelled by the function h(t)= 3 cos(pi/16 t) +5 where h is in km and t is in seconds. If the plane makes only one full loop, what time(s) are the instantaneous rate of change 0?

any options?

step-by-step explanation:

ok so the answer to your question is simple as long as you look at the different dimensions that contain the exemplary letters that combined in the right order give you words that eventually within the 5th dimension will conform and give you the correct answer to your question. hope i , stop looking at this easily, look at it with a spectral view.

step-by-step explanation:

told you