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ژ 1
D lq9m.pdr 1,1
g q marker1.pcx 25,35
_2ޠ ިިå ֭Ԩά.
y=Sin7 a0- ֭Ԩ ޠå y=Cos7 a0- ֭Ԩ ޠå
+ + - +
-1 7,0 Sin7 a0 7,0 1 -17 ,0 Cos7 a ,0 1
- - - +
y=tg7 a0 ; y=Ctg7 a0- ޠåʥ ֭Ԩ
- +
+ -
360 = 27p0 ; 180 =7 p0 ; 90 = 0,57p0 ; ָ ޠ ޮ
7p 0 7 p 0 7 p0 ޠ ޥ ޠ-
60 = ; 45 = ; 30 =
3 4 6
C4֦0 = 27p0R
ʥ ިިå :
q0 1.Sin527a0 + Cos527a0 = 1
Sin7 a0 Cos7 a
2.tg7 a0 = ; Ctg7 a0 =
Cos7 a0 Sin7 a
3.tg7 a0 * Ctg7 a0 = 1
1 1
4.1 + tg527a0 = ; 1 + Ctg7 a0 =
Cos527a0 Sin527a
2ޠ Įެ֫ ޥ
_ :. , ʩ ֭Ԩ å.
_ ֭Ԩ:. ָ ʢ ި˭ ޠ
֭Ԩ Υ. ָ ʢ ˭ ޠ
֭Ԩ Υ í.( Sin7 a0 Cos7 a0 ; tg7 a0 Ctg7 a0)
Cos(7a0-7b0) = Cos7a0*Cos7b0 + Sin7a0*Sin7b0 Cos(7a0+7b0) = Cos7a0*Cos7b0 - Sin7a0*Sin7b0
Sin(7a0-7b0) = Sin7a0*Cos7b0 - Cos7a0*Sin7b0 Sin(7a0+7b0) = Sin7a0*Cos7b0 + Cos7a0*Sin7b0
tg 7a0 - tg 7b0 tg7 a0 + tg7 b0
tg(7a0-7b0) = tg(7a0+7b0) =
1 + tg7a0*tg7b0 1 - tg7a0*tg7b0
Ctg7a0*ctg7b0 + 1 Ctg7a0*ctg7b0 - 1
Ctg(7a0-7b0) =- Ctg(7a0+7b0) =
Ctg7 a0 - ctg7 b0 Ctg7 a0 + ctg7 b0
Sin 27a0 = 2*Sin7 a0*Cos7 a0 Cos27a0 = Cos527a0 - Sin527a0
2*tg7 a0 Ctg527a0 - 1
tg 27a0 = Ctg 27a0 =
1 - tg527a0 2*Ctg7 a0
Sin7 a0 * Cos7 b0 = 0,5*[Sin(7a0-7b0) + Sin(7a0+7b0)]
Sin x + Sin y = 2Sin 0,5(x+y) * Cos 0,5(x-y)
Sin x - Sin y = 2Cos 0,5(x+y) * Sin 0,5(x-y)
Cos x + Cos y = 2Cos 0,5(x+y) * Cos 0,5(x-y)
Cos x - Cos y = -2 Sin 0,5(x+y) * Sin 0,5(x-y)
Cos7 a0 * Cos7 b0 = 0,5[Cos(7a0-7b0) + Cos(7a0+7b0)]
Sin7 a0 * Sin7 b0 = 0,5[Cos(7a0-7b0) - Cos(7a0+7b0)]
Sin(x-y) Sin(x+y)
tg x - tg y = tg x + tg y =
Cos x Cos y Cos7 0x Cos y
Sin(x-y) Sin(x+y)
Ctg x - Ctg y = - Ctg x + Ctg y =
Sin x Sin y Sin7 0x Sin y
Sin 3x = 3Sin x - 4Sin530x 42tg x
Cos 3x = 4Cos_3x - 3Cos x. Sin 2x =
7/41 + Cos 2x0 2tg520x + 1
Cos x =7 0 7/0
7?0 7 _5 20 ..4 1 + tg524x
7/41 - Cos 2x0 Cos 2x =
Sin x =7 /0 40 1 - tg520x
7?5 _ 20 .
7/4 1 - Cos 2x0 2tg x
tg x =7 /0 tg 2x =
7?5 1 + Cos 2x0 1 - tg520x
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