
Turunuan Fungsi Trigonometri
Presentation
•
Mathematics
•
12th Grade
•
Hard
Risna Fauzi
Used 1+ times
FREE Resource
9 Slides • 5 Questions
1
Turunuan Fungsi Trigonometri
Hal. 33
2
3
4
jika sudutnya (ax + b) maka berlaku:
y = sin (ax+b) maka y' = a.cos (ax+b)
y = cos (ax+b) maka y' = -a.sin (ax+b)
dst, seperti di buku halaman 36
5
silakan baca contoh-contoh di buku ya, kurang paham tanyakan via chat, jgn malu-malu
Sekarang kita bahas soal uji kompetensi hal 48.
no 1. anggap ada dua fungsi, yaitu
y = 2 cos x dan
y' = -3 sin x
angka 2 di depan cos, dan angka -3 di depan sin anggap saja konstanta.
6
Multiple Choice
Turunan dari y = 2 cos x - 3 sin x adalah ...
2 sin x - 3 cos x
-2 sin x - 3 cos x
-2sin x + 3 cos c
-3 sin x + 2 cos x
3 sin x + 2 cos x
7
Multiple Choice
Turunan dari y = sin (3x - 4) adalah
3 cos (3x - 4)
3 cos (3x + 4)
4 cos (3x - 4)
-3 cos (3x - 4)
-3 cos (3x + 4)
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no 3. anggap ada tiga fungsi, yaitu:
9
Multiple Choice
jawaban no 3 adalah ...
6x+x31−2sin x
6x−x31−2sin x
6x−4x31−2sin x
6x+x34+2sin x
6x+x31+2sin x
10
No 4. gunakan aturan perkalian turunan, yaitu:
y = u.v maka y' = u'v + uv'
misal
u = sin x --> u' = ...
v = cos x --> v' = ...
sehingga
y = u. v ---> y' = u'v + uv'
= sin x cos x ---> y' = ... cos x + sin x ...
y' = ...
Ingat juga:
11
Multiple Choice
Turunan dari f(x) = sin x cos x adalah ...
-cos 2x
cos 2x
cos2x
cos2x+sin2
−cos2x−sin2
12
N0 5. Gunakan aturan rantai spt hal 36
misalkan y = cos u ---> dy/du = -sin u
u = 2x3-x2 ---> du/dx = ....
masukkan ke aturan rantai di atas, jangan lupa sin u, "u"nya diganti lg ke misal, dan angka diletakkan di depan baru sin nya. (lihan pilihan gandanya)
13
Multiple Choice
jawaban no 5 adalah ...
sin(2x3−x4)
−sin(2x3−x4)
(6x2−4x3)cos(2x3−x4)
(6x2−4x3)sin(2x3−x4)
−(6x2−4x3)sin(2x3−x4)
14
ULAT BULU DI DAUN PIPIH
SEKIAN DULU TERIMAKSIH
TERUSLAH BELAJAR DAN BERKARYA
Turunuan Fungsi Trigonometri
Hal. 33
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