Sum and Difference Identities (Summary) Flashcards
This is all about identities formulas from Math 142
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
Tan (A + B) = ?
A
Tan A + Tan B / 1 - Tan A * Tan B
6
Q
Tan (A - B) = ?
A
Tan A - Tan B / 1 + Tan A * Tan B
