Page 154 - Math Grade 11 (Advance)

PROEUS DARA

"' 1
2rJ1tnU1J1 y
z = l + i/3 '1

z = 1 + i/3 ttl rn a = 1 stl b = J3 J3 ------.z

2 2
tt'ltnS r = JI +(/3) = 2
a I "" b J3
cos qJ = - = - t'Ul ru sin qJ = - 2
r 2 r X
3
t'Ul6HS&ffit'lli5ii~ cp = ~ '1 0 I
1 1
2rJ1tnlf1J1
"' 2
z = - 1 + i/3 '1

2
2
z =-I +iJ3 tt::lbli a= -I Stl b = J3 tt'ltnS r = J(-I) +(/3) = 2
b J3""
I""
a
coscp = - = - - t'Ulli5 sincp = - = - trutl y
r 2 r 2
"" • ... 1 q
tlli(!JctlQtl~~tlLmffH1.fl'i:fl'[!i coscp =- <0 stl
2
sincp = J3 > o '[!11 ~nntl ff1Lt::l~'9 2 '1
2 u ... "; z
2n:
tUl~tS& cp = 3" '1
0 02
tt'l'i:fl21322n~13 z = cosa-isina
u 1<V
-1 0 X

""
tH't§W z = cosa-isina 'i:fl2
"'

coscp = cosa stl sincp = -sina

tLmg cosa = cos(-a) Stl sina = sin(-a)

t::l crt 2 g cp = -a + 2kn , k E Z '1
u
0 • 0
ruun i1 f!1 a 2 tt'l'tflsussfiocr z tt:Jrntitnmrnn:JM lz-Sil = 3 '1 lnussfiflcr z
u '"' " 9 s u '"'
t't:Jrn'i:flsffit'lruii~~d'i:flsnm5nn '1
1 Cot U I

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