Answer
-0.7536
Work Step by Step
Rounded to four significant digits, we have (using a calculator):
$$
\tan 143^o=-0.75355=-0.7536
.$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 14 - Review - Page 500: 1
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