
Home > CALC > Chapter 9 > Lesson 9.1.1 > Problem 9-9
9-9.
Graph the function. What do you notice?
Use partial fraction decomposition to rewrite the integrand as a sum of fractions.
Use substitution.
Let u = cos–1(x). Then du = _____.
Recall that cos2(x) – sin2(x) = cos(2x).