Precalculus, Sixth edition, by
Warren Esty
If you have the 5th
edition (blue cover) click here for its
typos.
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the main page.
If you find unlisted
typesetting errors, please e-mail them to me at
westy AT math dot montana dot edu
Let me know your name and whose class you are in and I will arrange
for you to get a small reward! I appreciate your help!
Typesetting errors in the text and in
the solution manual (below).
Fix all of the 6th
edition text with these corrections now.
Text:
Section 3.2, page 138, A23: Delete the reference to Example 6. The
partial answer in the text is right, but the solution in the
solutions manual should be -0.54 and
5.5.
Solution manual:
Section 3.2, A23, manual page 17: the partial answer in the
text is right, but the solution in the manual should be -0.54 and 5.5.
Section 3.2, B41, manual page 18: "Example 8" should be
"Example 11"
Section 3.4, B25, manual page 21: last factor should be (x2
+ 4), not (x2 - 4)
Section 3.5, B19, manual page 23: Change all three appearances
of 5 to 52
Section 4.2, A55, manual page 32, "Use 4.4.10"
should be "4.4.11."
Section 6.2, B69, manual page 45: The manual uses sin, but you could use tan, which might be better, depending upon
where you measure the 24 inches. They yield very similar answers.
Section 6.2, B101B, manual page 46. It says "sin-1 is one to one ...." and
should say "sin is one to one...." The domain for sin is the range
of sin-1.
Section 6.4, B9, manual page 48: [The answer is right but the
expression for cos(BAC) should be cos(BAC) = (182 - 202
- 2.62)/(-2(20)2.6) ]
Section 6.4, B27, manual page 50: the angle labeled 17 should
be labeled 20
Section 7.1, B5, manual page 51: "Figure 9" should be "Figure 10"
Section 7.2, B23, manual page 23: change the final step from "-tan θ" to "-1/tan θ".
Section 7.3, B65, manual page 57: change 7.2.17 to 7.3.3A
Section 7.3, B67, manual page 57: [The work and steps are right.
Delete the reference to B21.]
Section 7.4, B15, manual page 59: change "65" to "66".
Section 7.4, B25, manual page 59: [The answer is right, but
the third last line has "70 + a" which
should be "50 + a" and "16" which
should be "70".
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