# M1 January 06 Question 4 Vector Triangles??Watch

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#1
I have no idea how to do the vector question.
M1 January 06 Question 4 Vector Triangles.
I know how to do the alternative method just need the first method.

Here is the mark schemes:
http://www.edexcel.com/migrationdocu...ark_Scheme.doc
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#2
Is it that hard?
0
6 years ago
#3
The original method employs closed loop vector addition (or subtraction for that matter); you proceed to plot vector Q in the i-j space (i and j being the x and y axes respectively). Notice that Q resides in the fourth quadrant-it isn't all that difficult to calculate the appropriate angles from there.

Hope it helps. Peace.
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#4
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