

IDENTITI ASAS
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Mathematics, Education
•
12th Grade
•
Hard
NURUL Moe
Used 4+ times
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5 Slides • 0 Questions
1
IDENTITI ASAS
RUMUS SUDUT MAJMUK
RUMUS SUDUT BERGANDA
Cikgu Nurul Azilah

2
3 Identiti Asas :
sin2 x + kos2 x = 1
1 + tan2 x = sek2 x
1 + kot2 x = kosek2 x
3
Rumus Sudut Majmuk (Addition Formulae) :
sin(A±B)=sin A kos B ±kos A sin B
kos(A±B)=kos A kos B +−sin AsinB
tan(A±B)=1 +− tan A tan Btan A ± tan B
4
Rumus Sudut Berganda (Double Angle Formulae) :
sin2A=2sin A kos A
kos 2A=kos2 A − sin2 A
kos 2A=1 − 2sin2 A
kos 2A=2kos2 A − 1
tan 2A=1−tan2 A2 tan A
5
Rumus Sudut Separuh (Half Angle Formulae) :
sinA=2sin 2A kos 2A
kos A=kos2 2A − sin2 2A
kos A=1 − 2sin2 2A
kos A=2kos2 2A − 1
tan A=1−tan2 2A2 tan 2A
IDENTITI ASAS
RUMUS SUDUT MAJMUK
RUMUS SUDUT BERGANDA
Cikgu Nurul Azilah

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