Sum and Difference Identites Flashcards by Madeline Barros | Brainscape

Q

cos(A+B)=

A

cosAcosB-sinAsinB

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

sin(A+B)=

A

sinAcosB+cosAsinB

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

tan(A+B)=

A

tanA+tanB/1-tanAtanB

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

cos(A-B)=

A

cosAcosB+sinAsinB

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

sin(A-B)=

A

sinAcosB-cosAsinB

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

tan(A-B)=

A

tanA-tanB/1+tanAtanB

How well did you know this?

1

Not at all

2

3

4

5

Perfectly