Page 76 - Math Grade 11 (Basic)

PROEUS DARA

2.1 MSN nhlSN ri~N~ ahnri~N~
II U 11 U
t rub rna MnJlJG'tHHtfl rurl £H1.HUJ'i5L~t fflrt.n'tfiL~ ~m ~ g 0°

9 10 '1 tl:lbl.H28 r;rubRrt.n~ sin, cos, tan

y u
nb~b~U~tmrt.n'tfl'i~ttHlii::llan~ o sbffi r '1
"' IJ LJ u.
1 v' v
P dlGrt.nG'etl5sitbthb~t!:Hli'if12nHHI':ht2 P(x, y)
I 1.1 IJ U
1::::¥-7-7 0 CJ'\;,
r;mru (OA , OP) = e '1 P' mmrunrntnbr:a P
Q~CJ --t ~ 0 C) '\;) ~t)
r;rnHnJ x'x 2b Q dlmrunrntnbt2 P r;rnHnJ
__,. OQ OP' x
v'v '1 ti=llfl2 sinO = - = 2: , cosO = OP = -,. ,
· · OP r
tanO = sine = 2: cote = cosO = ~ '1
cose x ' sine y

--7
eJ
eJ
~fflru HnJ y'y t'UliffiHnJ~9 hl tUl li5HnJ x'x lt dl
-)
0}
C)
.t:l}
~ C) -) eJ I I
HnJ~~hl~ 2bHnJ v'v dlHnJ~~bhlh '1
0 :rt
:rt
"
c' ""
"'
"
291'UJUU1 i=!rt.nm~r;~~9i=l'e2L~tmrt.n1f1Ult2~ 2 , 6 '1
B dlGrt.nG'i'i5romtlb4b~sbHn'i -> m'B9ror:r:tl1d'tfl2 '1
u-
1 t_; /) () tS-
:rt . :rt
cos- sm-
:rt 2 0 :rt 2 "' y
cot- = -- = - = 0 tan- = -- 'BSHlG
2 . :rt I 2 :rt
Sll1l cos 2
~b~tmrt.n tnb OPQ l:i=llfl2 AOP = ~ ttflru
6
1
PQ = l '1
2
i::lmag sin~ = l cos~ = Q = J3 '1
u 6 2 ' '6 ~~-4 2

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