
IDENTITAS TRIGONOMETRI
Presentation
•
Mathematics
•
10th - 12th Grade
•
Hard
Intan Ryanti
Used 8+ times
FREE Resource
6 Slides • 20 Questions
1
IDENTITAS TRIGONOMETRI
by Intan Ryanti
2
PENJUMLAHAN DAN SELISIH DUA SUDUT
3
Multiple Choice
sin (A−B)=
sin A cos A−sin B cos B
sin A cos B + sin A cos B
sin A cos B − cos A sin B
sin A cos B +cos A sin B
4
Multiple Choice
cos (A−B)=
cos A cos B −sin A sin B
cos A cos B +sin A sin B
cos A sin B −sin A cos B
sin a sin B −cos a cos B
5
Multiple Choice
tan (A+B)=
1−tanAtan Btan A +tan B
1−tanAtanBtan A−tan B
1+tanAtanBtan A+tanB
1+tan Atan Btan A−tanB
6
Multiple Choice
Uraikan bentuk berikut! cos (2x+2y)=
cos 2x cos 2y+sin 2x sin 2y
cos 2x cos 2y−sin 2x sin 2y
sin 2x cos 2y−cos 2x sin 2y
sin 2x cos 2y +cos 2x sin 2y
7
Multiple Choice
sin (x+2y)=
sin x cos 2y −cos x sin 2y
sin x cos 2y +cos x sin 2y
sin x sin 2y −cos x cos 2y
cos x cos 2y +sin x sin 2y
8
Multiple Choice
tan (2x−y)=
1−tan2x tan ytan 2x−tan y
1+tan 2x tanytan 2x +tany
1+tan 2x tan ytan 2x −tan y
1−tan 2x tan ytan 2x +tan y
9
Multiple Choice
sin 15°=
sin (45−30)=sin 45 cos 30−cos 45 sin 30
sin (45+30)=sin 45 cos 30+cos 45 sin 30
sin (45−30)=sin 45 sin 30−cos 45 cos 30
sin (45−30)=cos 45 cos 30−sin 45 sin 30
10
Multiple Choice
cos 75°=
41(6−2)
21(6−2)
41(6+2)
41(3−2)
11
Multiple Choice
cos85°cos55° + sin85°sin55° = . . .
0
1
21
212
213
12
Multiple Choice
1+tan75°tan15°tan75°−tan15°= . . .
0
3
313
1
−3
13
PERKALIAN SINUS DAN COSINUS
14
15
CONTOH
16
Multiple Choice
2sinxcos3x=.....
cos4x−cos2x
cos4x+cos2x
sin4x+sin2x
sin4x−sin2x
sin2x−sin4x
17
Multiple Choice
Bentuk lain dari 2 sin3a sin a adalah .....
cos 4a - cos 2a
cos 2a - cos 4a
sin 4a - sin 2a
sin 4a + sin 2a
cos 4a + cos 2a
18
Multiple Choice
sin 75° sin 15°= ....
43
21
41
−41
−43
19
Multiple Choice
cos 75° sin 15°= ....
42+3
42−3
43−2
43+3
43−3
20
Multiple Choice
nilai dari 2 sin 50o cos 40o + 2 cos 95o sin 85o = .....
−1
−21
21
1
2
21
PENJUMLAHAN/SELISISH SINUS DAN COSINUS
22
Multiple Choice
Nyatakan 2cos45°.cos15° sebagai bentuk penjumlahan, kemudian tentukan nilainya!
cos60° + cos 30° dan ½ (1 + √3)
cos60° + cos 30° dan (1 + √3)
23
Multiple Choice
Nyatakan 2sin80°. cos50° sebagai bentuk penjumlahan!
sin130° + sin 30°
sin100° + sin 30°
24
Multiple Choice
Sederhanakanlah sin155° - sin25° !
0
sin 65°
25
Multiple Choice
Rumus sinus jumlah dua sudut...
sin (α+β)=sin α cos β+cos α sin β
sin (α−β)=sinα cos β−cos α sin β
sin (α+β)=sin α cos β−cos α sin β
sin (α−β)=sin α cos β+cos α sin β
26
Multiple Choice
Rumus tangen jumlah dua sudut...
tan (α+β)=1+tan α tan βtan α−tan β
tan (α+β)=1+tan α tan βtanβ+tan α
tan (α+β)=1−tan α tan βtan α+tan β
tan (α−β)=1+tan α tan βtan α−tan β
IDENTITAS TRIGONOMETRI
by Intan Ryanti
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