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Home > PC3 > Chapter 8 > Lesson 8.3.4 > Problem 8-144

8-144.

Let .   

  1. Calculate the average rate of change from to .

  2. Write an expression for the average rate of change from to .

  3. Use the fact that to show that the expression you wrote in part (b) can be rewritten as .

    Substitute values for the trigonometric expressions and simplify.

  4. Use the fact that and to evaluate .