Double Angle Formulas Flashcards by Jaycee G | Brainscape

Q

sin(2u) = ?

A

2sin(u)cos(u)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

cos(2u) = ?

A

cos²(u) - sin²(u)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

tan(2u) = ?

A

2tan(u)/1 - tan²u

How well did you know this?

1

Not at all

2

3

4

5

Perfectly