Page 170 - Math Grade 11 (Advance)

PROEUS DARA

10
i'H1Jl@l (-1 + i) '1

2
fflb z = -1+i ti':lrn a= -1 Sb b = 1 tf.iUIS r = Ji+b 2 = J(-1) +1 2 = J2
3
tt!'H15 COS<p = ~ = _ _!_ =- Ji sb sin<p = ~ = _!_ = Ji tUH'HSg <p = Jt '1
r J2 2 r J2 2 1
3
tf.ims8~ s ry~u z 9L'I§~LfitnH1fl'i:lll.f z = Ji( cos n: + isin ~
4
3
4
~ ....... ,... ( 1 .)10 [ r:::.2( 3n: .. 3n:)]l0
biiO~UO~ - +I = Aj.L C0S4+!Slfl4

5(
= 2 COS 15n: .. 15n:)
+ lSlfll
= 2 [ cos( 6n: + n:) + isin( 6n: + ;) J
3
3
5
2
5(
+ tsm
= 2 cos 3n: .. 3n:)
2 2
5
= -2 i
10
(- 1 + i) = -32i '1
0 1 0
rutmnti~ 1
u

5
tmru cos<p = ~ =- J3 Sb sin<p = ~ = ! tUH1 &Sg <p = n: '1
r 2 r 2 1 6

= 2 13( cos 5n: .. 5n:)
+ zsm
6 6
.)13 - 213( J3 .1)
r:::.3
( --v.)+l - - 2+12
- -212 r::;3 .? 12
- .J.)+l-

165