Find the average rate of change of the function over the given intervals.
h(t) = cott
a.
b.
兀
3元
4'4
5л
3元
6
'2
a. The average rate of change over
3л
4
(Type an exact answer, using i as needed.)
b. The average rate of change over
5л
: 3л
6'2
(Type an exact answer, using a as needed.)