Using the sine and/or cosine law, sin A sin B b a c² a² +6² - 2ab cos C Find the magnitude of the resultant of these two vectors: 80 m at a bearing of 30° 12 m at a bearing of 140° - = 4
Using the sine and/or cosine law, sin A sin B b a c² a² +6² - 2ab cos C Find the magnitude of the resultant of these two vectors: 80 m at a bearing of 30° 12 m at a bearing of 140° - = 4
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Using the sine and/or cosine law,
sin A
sin B
a
b
=
C² = a² +6²
=
2ab cos C
Find the magnitude of the resultant of these two vectors:
80 m at a bearing of 30°
12 m at a bearing of 140°
Show your mathematical work, but you do not need to include a diagram.
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Given query is to find the resultant of the vectors.
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