Answer:
Step-by-step explanation:
If APB is measured in radians, then the arc length AB = APB(r) where r is the radius of the circle.
Answer:
Average rate of change 
Step-by-step explanation:
Given function is
and we need to find average rate of change of the function from
.
Average rate of change 
So,

Average rate of change

Hence, average rate of change of the function
over the intervel
is
.
What do you mean by this?