Double Angles Flashcards by Georgie Altham

Q

Sin2A

A

2sinAcosA

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Cos2A

A

2cos^2 A-1
1-2sin^2A
Cos^2A-sin^2A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Tan2A

A

2tanA/1-tan^2 A

How well did you know this?

1

Not at all

2

3

4

5

Perfectly