Mathematics, 20.11.2020 18:40, mikestarjo2173

Let |r| = 6 at an angle of 30° and |s| = 11 at an angle of 225°. Which expression represents |r – s|? StartRoot 6 squared + 11 squared minus 2 (6) (11) cosine (15 degrees) EndRoot
StartRoot 6 squared + 11 squared minus 2 (6) (11) cosine (45 degrees) EndRoot
StartRoot 6 squared + 11 squared minus 2 (6) (11) cosine (165 degrees) EndRoot
StartRoot 6 squared + 11 squared minus 2 (6) (11) cosine (255 degrees) EndRoot

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Let |r| = 6 at an angle of 30° and |s| = 11 at an angle of 225°. Which expression represents |r – s|...