Mathematics OpenStudy (anonymous):

Vector problem, I have to draw it though... OpenStudy (anonymous):

|dw:1314315711313:dw| OpenStudy (anonymous):

a = <2,pi/3> b = <3,3pi/4> c= <1,pi/6> Write down a,b,c in terms of i and j Get a +c in terms of i and j OpenStudy (anonymous):

This is similar to a recent question, the notation is <magnitude, angle> OpenStudy (amistre64):

$a+c = <2+1,\frac{(2)pi}{(2)3}+\frac{pi}{6}>$ $a+c = <3,\frac{3pi}{6}>$ $a+c = 3i+\frac{pi}{2}j$ OpenStudy (amistre64):

<xpart, ypart> is vector notation OpenStudy (amistre64):

vector equivalent of polar cordinates ; now theres something to write home about :) OpenStudy (amistre64):

x = r cos(t) ; y = r sin(t) OpenStudy (amistre64):

r is given and t is givne OpenStudy (amistre64):

$a+c=<1,\sqrt{3}>+<\frac{1}{2},\frac{1}{\sqrt{3}}>$ $a+c=<1+\frac{1}{2},\sqrt{3}+\frac{1}{\sqrt{3}}>$ $a+c=(1+\frac{1}{2})i +(\sqrt{3}+\frac{1}{\sqrt{3}})j$ OpenStudy (anonymous):

a= i + sqrt3 j OpenStudy (amistre64):

right OpenStudy (amistre64):

i forgot the middle of the question :) OpenStudy (anonymous):

b = -3/sqrt2i +3/sqrt2j OpenStudy (anonymous):

c= sqrt3/2i + 1/2j OpenStudy (amistre64):

c = cos(30)i + sin(30)j OpenStudy (amistre64):

|dw:1314316788946:dw|

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