Barrons AP Calculus - David Bock

EXAMPLE 27

by (4)

with u = 1 + 2 and

EXAMPLE 28

with u = cos x; cos 2x + C by (6), where we use the trigonometric identity sin 2x = 2
sin x cos x.

EXAMPLE 29

EXAMPLE 30

using the trigonometric identity

EXAMPLE 31

EXAMPLE 32