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<p><span style="font-weight: bold; color: #006600;"><span style="color: #003300;">Quin és el mòdul i l'argument del vector «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mover mathcolor=¨#003300¨»«mi mathvariant=¨bold¨»v«/mi»«mo mathvariant=¨bold¨»§#8594;«/mo»«/mover»«mo»=«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»(«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»#«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#003300¨»a«/mi»«mn mathvariant=¨bold¨ mathcolor=¨#003300¨»1«/mn»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»,«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»#«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#003300¨»a«/mi»«mn mathvariant=¨bold¨ mathcolor=¨#003300¨»2«/mn»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»)«/mo»«/mstyle»«/math»? <span style="font-size: medium; color: #ffffff; background-color: #008000;"><span style="font-weight: bold;"><span style="text-decoration: underline;">Fixa't en el quadrant!</span></span><span style="font-weight: bold;"><br /></span></span></span><br /><span style="color: #ff3300;">Format de la resposta:</span> </span></p> <p style="margin-left: 60px;">Mòdul: Fracció o arrel simplificada</p> <p style="margin-left: 60px;">35º (arrodonit a la unitat). <span style="font-weight: bold; color: #006600;"><br /></span></p>
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<p><span style="color: #0000ff;"><strong>El vector és:</strong></span></p> <p>#G1</p>
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Yes, case must match
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Answer 1
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Answer 2
Answer
Grade
None
100%
90%
83.33333%
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75%
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66.66667%
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33.33333%
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14.28571%
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<p><span style="font-weight: bold; color: #0033ff;"><span style="color: #0000ff;">L'argument és l'arc tangent de la segona component dividida per la primera:</span><br />«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mi mathvariant=¨bold¨ mathcolor=¨#0000FF¨»§#945;«/mi»«mo mathvariant=¨bold¨ mathcolor=¨#0000FF¨»§#160;«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#0000FF¨»=«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#0000FF¨»§#160;«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#0000FF¨»arc«/mi»«mo mathvariant=¨bold¨ mathcolor=¨#0000FF¨»§#160;«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#0000FF¨»tg«/mi»«mfrac mathcolor=¨#0000FF¨»«mrow»«mo mathvariant=¨bold¨»#«/mo»«mi mathvariant=¨bold¨»a«/mi»«mn mathvariant=¨bold¨»2«/mn»«/mrow»«mrow»«mo mathvariant=¨bold¨»#«/mo»«mi mathvariant=¨bold¨»a«/mi»«mn mathvariant=¨bold¨»1«/mn»«/mrow»«/mfrac»«/mstyle»«/math»<br /></span></p> <p><span style="font-weight: bold; color: #0033ff;">#G1</span></p> <p><span style="font-weight: bold; color: #0033ff;">Si et fixes en el signe de les components, l'angle està en el #Q quadrant, o sigui #Q2. Es calcula doncs amb: «math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mstyle mathsize=¨12px¨»«mrow»«mo mathvariant=¨bold¨ mathcolor=¨#0000FF¨»#«/mo»«mi mathvariant=¨bold¨ mathcolor=¨#0000FF¨»Q«/mi»«mn mathvariant=¨bold¨ mathcolor=¨#0000FF¨»3«/mn»«/mrow»«/mstyle»«/math»</span></p>
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Thursday, 23 August 2018, 4:17 PM
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