Compound angle formulae Flashcards
1
Q
sin(A+B)
A
sinAcosB+sinBcosA
2
Q
sin(A-B)
A
sinAcosB-sinBcosA
3
Q
cos(A+B)
A
cosAcosB-sinAsinB
4
Q
cos(A-B)
A
cosAcosB+sinAsinB
5
Q
tan(A+B)
A
(tanA+tanB)/1-tanAtanB
6
Q
tan(A-B)
A
(tanA-tanB)/1+tanAtanB