Mathematics, 20.11.2020 19:10 kaylailkanic1487
Let |r| = 17 at an angle of 40° and |s| = 14 at an angle of 160°. Which expression represents |r + s|?
StartRoot 17 squared + 14 squared minus 2 (17) (14) cosine (40 degrees) EndRoot
StartRoot 17 squared + 14 squared minus 2 (17) (14) cosine (60 degrees) EndRoot
StartRoot 17 squared + 14 squared minus 2 (17) (14) cosine (10 degrees) EndRoot
StartRoot 17 squared + 14 squared minus 2 (17) (14) cosine (120 degrees) EndRoot
Answers: 2
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Let |r| = 17 at an angle of 40° and |s| = 14 at an angle of 160°. Which expression represents |r + s...
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