Page 80 - Math Grade 11 (Basic)

PROEUS DARA

sin~= ~ '1
2 2
, cos(- ~rc) , tan(_ :rc) '1

3.3 1id
IFI
0 1- ""
11. 'BtH.iHfl El at! -El : ~HhdtiH11FnrurunrHliUrUirlhltHMSiHu2'iffi~ 2rc '1
I-' q I & c< U I! ._. UU
I 1
~ J C» --7 ---7
Qbl~hL~tfilM'i:flL~'t:i'i:fl2 (OA , OP) = e y
I
-7 -7 ""
(OA , OP') = El' t'Ull15 El + 8' = 0 ffi~ 2rc

m§1 El' = -El ffi~ 2rc '1 &t:iQl2n~Hi::htS~SUrulti P
u u ' 1
sb P' ~ P(cosEJ , sin8) Sh P'(cos(-8)sin(-8)) '1 -1 X
ti::hl15 p sb P' r;;gmctflushHnHflUMfU tt:iQl2
GV c< U U I
. I
P'
sin(-El) = -sine , cos(-El) = cosEJ f:WtS8 -1
u
tan( -El) = sin( -El) = -sin El = -tanEJ sh
cos ( -El) cos ( -El)
cot(-El) = cos(-e) = cosEJ = -cote '1
sin ( -El) -sin El
sin(-e) =-sine , cos (-e) = cos El
tan( -e) = -tanEJ , cot( -e) = -cote

3f17tnUul sin(-~) = -sin~ = ~ cos(- ~) = cos~=~,
,
cot(-~) =-cot~=- f

2. ~utn£Q (~-e) at~ e: ~rinhn(!Hfl Fnrurundru~m~rJnc~shi m~ 2rc '1
---7
---7
• ""
nhahhi~tfilrultt:i'i:fl2 (OA , OP) = e "" ---7 ---7 , Jt
2h (OA , OP) = -e '1
c; II l_j 2
I
tt:iQlS n~HI::h t2 t213 rulti P t:i ( cose , sine)
"
0
""'
u l
mJushu~ti y = x t~Ht:ims ~~al::ht2tst3nfJu P' (1) '1
m~au:nh rfl oP' ctl1Jh~ru~2~ (i-e) '1
I
~titSll~HHI::htsts P' ~ [cos(i-e),sin(i-e)J (2) '1
'm~ (1) sh (2) &t:iQl2 sin(i- e) = cos8 sh cos(i- e) = sine

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