g) Trigonometry review: Sum and Difference identities Flashcards
1
Q
sin (a + b) =
A
sin a cos b + cos a sin b
2
Q
sin (a - b) =
A
sin a cos b - cos a sin b
3
Q
cos (a + b) =
A
cos a cos b - sin a sin b
4
Q
cos (a - b) =
A
cos a cos b + sin a sin b
5
Q
A
6
Q
A
