
Turunuan Fungsi Trigonometri
Presentation
•
Mathematics
•
12th Grade
•
Hard
Risna Fauzi
Used 1+ times
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9 Slides • 5 Questions
1
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
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)
8
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
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
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
Hal. 33
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