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: 240-0286.zip (4kb [zip], : 172)

1

D lq9m.pdr 1,1

g q marker1.pcx 25,35

_2ࢨ ⢨ ਣ᪨ 㭪ﬨ.

ͻ

y=Sin7 a0- 㭪 ୨祭 y=Cos7 a0- 㭪 ୨祭

+ + - +

-1 7,0 Sin7 a0 7,0 1 Ġ -17 ,0 Cos7 a ,0 1 Ġ

- - - +

͹

y=tg7 a0 ; y=Ctg7 a0- ୨祭 㭪樨

- +

Ġ

+ -

ͼ

360 = 27p0 ; 180 =7 p0 ; 90 = 0,57p0 ; 㣨 ࢭ ந

7p 07 p 0 7 p0 न ७ -

60 = Ġ ; 45 = Ġ ; 30 = Ġ

3 4 6

C4㦭0 = 27p0R

᭮ ਣ᪨ ⮦:

q01.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

2ࢨ ॢ

_ :. ⢨ , 㭪 ⢥.

_ 㭪:. ᫨ 㣮 ⪫뢥 ਧ쭮

㭪 . ᫨ 㣮 ⪫뢥 ⨪쭮

㭪 ᮧ.( Sin7 a0 Cos7 a0 ; tg7 a0 Ctg7 a0)

Ŀ

Cos(7a0-7b0) = Cos7a0*Cos7b0 + Sin7a0*Sin7b0 Cos(7a0+7b0) = Cos7a0*Cos7b0 - Sin7a0*Sin7b0

Ĵ

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) = ijtg(7a0+7b0) =

1 + tg7a0*tg7b0 1 - tg7a0*tg7b0

Ŀ

Ctg7a0*ctg7b0 + 1 Ctg7a0*ctg7b0 - 1

Ctg(7a0-7b0) =- Ctg(7a0+7b0) = ij

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)]

Ŀ

Sin(x-y) Sin(x+y)

tg x - tg y = tg x + tg y = Ġ

Cos x Cos y Cos7 0x Cos y

Ĵ

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 Ġ tg 2x =

7?5 1 + Cos 2x0 1 - tg520x