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kamuela710
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Describe the vector as an ordered pair. Round the coordinates to the nearest tenth.
https://www.connexus.com/content/media/456845223201122334PM418163281.png
 2 years ago
 2 years ago
kamuela710 Group Title
Describe the vector as an ordered pair. Round the coordinates to the nearest tenth. https://www.connexus.com/content/media/456845223201122334PM418163281.png
 2 years ago
 2 years ago

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baddinlol Group TitleBest ResponseYou've already chosen the best response.1
You can use Trigonometry.
 2 years ago

baddinlol Group TitleBest ResponseYou've already chosen the best response.1
cos(103) = vertical/5
 2 years ago

baddinlol Group TitleBest ResponseYou've already chosen the best response.1
Vertical component = cos(103)*5
 2 years ago

baddinlol Group TitleBest ResponseYou've already chosen the best response.1
For horizontal component,
 2 years ago

baddinlol Group TitleBest ResponseYou've already chosen the best response.1
cos(193) = horizontal component/5
 2 years ago

baddinlol Group TitleBest ResponseYou've already chosen the best response.1
horizontal component = cos(193)*5
 2 years ago

baddinlol Group TitleBest ResponseYou've already chosen the best response.1
So you get, 4.87i 1.12j
 2 years ago

baddinlol Group TitleBest ResponseYou've already chosen the best response.1
Coordinate = (4.9, 1.1)
 2 years ago

baddinlol Group TitleBest ResponseYou've already chosen the best response.1
so basically , cos a = a1/a where a is the angle measure anticlockwise from the positive y.
 2 years ago

baddinlol Group TitleBest ResponseYou've already chosen the best response.1
cos b = b1/b where b is the measure anticlockwise from positive x
 2 years ago
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