Let f(x) = sin(x). Homework Help ✎
Calculate the average rate of change from x =
to x = .
Write an expression for the average rate of change from x =
to x = + h.
Use the fact that sin(A + B) = sin(A)cos(B) + cos(A)sin(B) to show that the expression you wrote in part (b) can be rewritten as
Use the fact that
and to evaluate .
Substitute values for the trigonometric expressions and simplify.