The Trigonometric Functions
by
Stefan Waner and Steven R. Costenoble

Exercises
for
Section 4: Integrals of Trigonometric Functions

3. Derivatives of Trigonometric Functions 4. Integrals of Trigonometric Functions Trigonometric Functions Main Page "RealWorld" Page Everything for Calculus
Answers to Odd-Numbered Exercises

Calculate the following integrals

1.
(sin x cos x) dx 2.
(tan x + cos x) dx 3.
cosec(2x3) dx
4.
tan(7x+2) dx 5.
x cotan(x21) dx 6.
(x+1)cos(x2+2x) dx
7.
cos x sin3x dx 8.
sin x cos4x dx 9.
cosec2(2x3) dx
10.
sec(2x3)tan(2x3) dx 11.
x2sin(1/x) dx 12.
sin x

1 + cos x
dx
13.
cos x(1 sin x) dx 14.
ex + sec2x

ex + tan x
dx
15.
extan(ex) dx
16.
(x cos x) dx 17.
(2x1)sin x dx 18.
(x2x+4)sin(2x) dx
19.
(x3cos(x/2)) dx 20.
(e2xsin x) dx 21.
(excos x) dx
22.
(sin x)(ln |cos x|) dx 23.
(cos x)(ln |sin x|) dx 24.
tan2x dx

Verify the following integrals either by computing the integral directly, or by differentiating the answer.

Calculate the following definite integrals

29.

0
sin x dx 30.

0
cos x dx 31. /4

0
tan x dx

3. Derivatives of Trigonometric Functions 4. Integrals of Trigonometric Functions Trigonometric Functions Main Page "RealWorld" Page Everything for Calculus
Answers to Odd-Numbered Exercises

We would welcome comments and suggestions for improving this resource. Mail us at:
Stefan Waner (matszw@hofstra.edu) Steven R. Costenoble (matsrc@hofstra.edu)
Last Updated: September, 1996
Copyright © 1996 StefanWaner and Steven R. Costenoble