MAT 132 Homework 1 Solutions
1.
7. sec tan(3x) +C .
10.
ln .
13. sin Thus, the statement is false.
17. (xarctan ln arctan arctan x.
20. (ln |secx + tan secxtanx + sec secx + tanx)=secx.
23a. sin cos sin(2x)) + C.
23b. The statement follows from the fact that sinx on the interval
24. sinxcos sin cos cos sin Note that the last step follows from the trigonometric idenitity sin + cos = 1.