Calculus: Early Transcendentals 8th Edition

Published by Cengage Learning
ISBN 10: 1285741552
ISBN 13: 978-1-28574-155-0

APPENDIX D - Trigonometry - D Exercises - Page A 33: 84


$1355$ m

Work Step by Step

Using the law of cosines, we have $c^{2}=a^{2}+b^{2}-2ab cos \theta$ $|AB|^{2}=|AC|^{2}+|BC|^{2}-2|AC||BC| cos 103^{\circ}$ $|AB|^{2}=820^{2}+910^{2}-2(820)(910) cos 103^{\circ}$ $|AB|=\sqrt {820^{2}+910^{2}-2(820)(910) cos 103^{\circ}}$ $|AB|=1355$ m
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.