Page 176 - Math Grade 11 (Advance)

PROEUS DARA
..
(
m k = 2 t S'U w = 2 cos 5n . . 5n) = -J3 + i
+ zsm
2 6 6
..
(
+ zsm
m k = 3 t S'U w = 2 cos 7n .. 7n) =-J3-i
6
3
6
..
(
m k = 4 ta'H w 4 2 = cos 3n . . 3n) = -2i
+ tsm
2
2
1 2
dj k = 5 tS'U w = 2( cos ~n + isin ~n) = J3- i 'i
5
tHHS8 z tt\5'2~ J3+i , 2i , -J3+i , -J3-i , -2i S~ J3-i 'i
u -1
3 ~
(z-2) = 1 , z-2 t:llyhl~tHS 1
.. ~
1 = 1 +Oi 't:flS'iHH15 r = "Jl-+0- = 1
U I
t 111 ti5 cos IV = ~ = ! = 1 S ~ sin IV = ~ = Q = 0 tuHH S g IV = 0 'i
r 1 r 1 1
t?lQlS 1 =cosO+ isinO

0 + 2kn) . . (0 + 2kn:)
w k = cos ( + 1 sm ftl ru k = o , 1, 2 'i
.. 3 3
m k = 0 t S'H w = cosO+ isinO =
0
.. 1 J3 .
2n . . 2n
m k = 1 t S'U WI = cos- + 1 sm- = - - + -1
3 3 2 2
..
1 J3.
4n
4n
m k = 2 tSH w = cos-+ isin- = --- 21
2
3 3 2
ttnru z-2=Vi ,z=Vi+2
..
tti w = I t Sl g z = 1 + 2 = 3
0
0
1 J3. 2
b<'liO ZJ =- 2+2l+
tC>"lO
3 J3.
= -+-l
2 2
z = - !_ J3 i + 2
2 2 2
3 J3.
= 2-2!

171