8.5 Flashcards

Sum and difference Formulas

1
Q

cos(A+B)=

A

cosAcosB-sinAsinB

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

cos(A-B)=

A

cosAcosB+sinAsinB

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

sin(A+B)=

A

sinAcosB+cosAsinB

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

sin(A-B)=

A

sinAcosB-cosAsinB

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

tan(A+B)=

A

tanA+tanB/1-tanAtanB

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

tan(A-B)=

A

tanA-tanB/1+tanAtanB

How well did you know this?
1
Not at all
2
3
4
5
Perfectly