Page 12 - E_Modul Turunan trigono 1

( ) ( )
′
( ) = = ∙

= ⋯⁡∙ …

= ⋯

2
Jadi turunan dari ( ) = cos(3 − 5 ) adalah

2
′( ) = (6 − 5) cos(3 − 5 )

Contoh 3:

3
5
Tentukan turunan pertama dari ( ) = ( )

Jawab:

3
( ) = ( ) ( ) = (sin )
3 5
5
3
Misal = sin ⁡→ ⁡ ( ) =
5
Rumus Turunan
4
( ) = 5 ∙ ′ ( ) = → ( ) = −1 ′
′
′

Menentukan ′
3
= sin ⁡

2
3
Misal = ⁡→ ′ = = 3

= sin  ′ = = cos

′ = = ∙

2
′ = cos ∙ 3

3
2
′ = 3 cos