Match each expression in List 1 with its identity in List 2.

List 1

1. sin(A+B)

2. sin(A-B)

3. cos(A+B)

4. cos(A-B)

List 2

1. sinA cosB - cosA sinB

2. cosA cosB + sinA sinB

3. sinA cosB + cosA sinB

4. cosA cosB - sinA sinB