Page 249 - Math Grade 12 (Advance)

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cufJw: y
N

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n. X = rcos9 = 2cosn = -2 2 (r,e) = ~ 3, )
n:\
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(3 JJ\
sb y = rsine = 2sinn = 0 (x y) = 1- -'
- - - -'- ~ \2, 2 )
(r,~) = (2,n)
c:l<
~HHi:tH2tt:lfilfitl (-2, 0) '1
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I 3 2
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2. X = .y.JCOS() = 3 ""J<. r;; . n J3 (x,y) = (-2,0) 2
2w y = .y3sm6 = 2
2 -I
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u u -2
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(x, y) ( = 2 ' 2 '1
QJ ltf:.,l ? iQICJ 2 2
~ntU~filmWH2HttltHli x - y = 16 '1
u 1 u

2
m§i r = ~ (cos29>0)
u cos2e
1:HH2g / = ~e thhl~fil~tifrnt2iHmHli2lbtru '1
u cos2 u 1 u
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li If) 1 "" Li u u u Li
1 1 u

(JI' ':) C» It eJ
suntnUIJ7J: t1tUUfiltH2hl~filrtHbli r = 2+2cos9 '1
u u
ttnruH2t~~snN2tUmn 1 tfrl -I filrnn.m e t'iti'itirnn o tfrl n m§i r mn
1 U 11 I f..jl_j U 1
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e 0 n n n n 2n 3n Sn n
6 4 3 2 4 4 6

r 4 2+J3 2+J2 3 2 l 2-Ji 2-./3 0

r ( fi 'E~ty fm rn) 4 3.7 3.4 3 2 1 0.6 0.3 0

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