
Trigonometri (Indah Puspita Sari: Bimtek SPADA)
Presentation
•
Mathematics
•
KG - 1st Grade
•
Hard
indah sari
Used 1+ times
FREE Resource
3 Slides • 5 Questions
1
Aturan Sinus, Kosinus dan Luas Segitiga
(Indah: Bimtek SPADA)
by indah sari
2
Rumus Trigonometri untuk Sudut Rangkap
Rumus untuk sin 2α
sin 2α = sin (α + α)
= sin α cos α + cos α sin α
= 2 sin α cos α
Rumus untuk cos 2α
cos 2α = cos (α + α)
= cos α cos α + sin α sin α
= cos2α – sin2α
3
4
Multiple Choice
Jika sin x = 54 dan x adalah sudut lancip, maka sin 2x = ....
52
53
2512
2524
5
Poll
Bagaimana pembelajaran hari ini?
Sangat menyenangkan
Menyenangkan
Membosankan
Sangat membosank
6
Multiple Choice
Jika sin x = 21 maka cos 2x = ...
21
−21
-2
2
7
Multiple Choice
Jika tan x = 43 dan x adalah sudut lancip, maka sin 2x = ....
524
2524
2532
2543
8
Fill in the Blank
Type answer...
Aturan Sinus, Kosinus dan Luas Segitiga
(Indah: Bimtek SPADA)
by indah sari
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