Deck 2 Flashcards
(8 cards)
1
Q
sinA · sinB
A
-½[cos(A + B) − cos(A – B)]
2
Q
cosA · cosB
A
½[cos(A + B) + cos(A – B)]
3
Q
sinA · cosB
A
½[sin(A + B) + sin(A − B)]
4
Q
cosA · sinB
A
½ [sin(A + B) − sin(A − B)]
5
Q
sin u + sin v
A
2 sin[(u + v)/2] cos[(u − v)/2]
6
Q
sin u − sin v
A
2 cos[(u + v)/2] sin[(u − v)/2]
7
Q
cos u + cos v
A
2 cos[(u + v)/2] cos[(u − v)/2]
8
Q
cos u − cos v
A
−2 sin[(u + v)/2] sin[(u − v)/2]
