Formules trigo Flashcards
1
Q
cos(a + b)
A
cos a cos b − sin a sin b
2
Q
sin(a + b)
A
sin a cos b + sin b cos a
3
Q
cos(a − b)
A
cos a cos b + sin a sin b
4
Q
sin(a − b)
A
sin a cos b − sin b cos a
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