Using the sine and/or cosine law, sin A a sin B 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° =

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
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Chapter8: Applications Of Trigonometry
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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°
=
Transcribed Image Text: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° =
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