sunsetlove
What is the magnitude and direction of if G(2, -2) and H(7, 6)?
Answer
magnitude: 9.43 units; direction 32.01°
magnitude: 9.43 units: direction: 57.99°
magnitude: 6.4 units: direction: 32.01°
magnitude: 6.4 units; direction: 57.99°
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sunsetlove
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my bro is here to help me
Tyler1992
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Distance formula gives you the magnitude
sunsetlove
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ok
Tyler1992
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So \[\sqrt{(7-2)^2 + (6-(-2))^2}\]
Tyler1992
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\[\sqrt{5^2 + 8^2}\]
amitlpu91
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& for direction use tan(angle )
sunsetlove
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25 + 64
Tyler1992
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good
Tyler1992
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so \[\sqrt{89}\]
Tyler1992
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Im not sure what that number is. I cant find my calculator.
Tyler1992
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Its 9.something
sunsetlove
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its 9.43
Tyler1992
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Ok good.
sunsetlove
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what about the second half
Tyler1992
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Ok lemme see, i forgot how to do that.
sunsetlove
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i dot to go sorry thank u ill get it later
Tyler1992
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Ok sorry i forgot how to do the second part.
GT
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|dw:1327169253744:dw|
GT
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You need to measure this angle:
|dw:1327169304502:dw|
GT
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Tan(x) = 8/5
Find x.
Tyler1992
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^ ahh ok
amitlpu91
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or u can simply apply tan(angle) as ---|dw:1327169661006:dw|
amitlpu91
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so its simply............|dw:1327169739384:dw|