Answer:
y = 7cosec(x/2) - 2
Step-by-step explanation:
General form:
y = Acosec(Bx)+C
Mean line: y = (-9+5)/2 = -2
C = -2
Two consecutive asymptotes in a interval of 2pi, means one complete cycle is 4pi, so ½ in 2pi
B = ½
Max point is 5-(-2) = 7 points above the mean line
A = 7
y = 7cosec(x/2) - 2
