Trig identities Flashcards by Calvin Dyson | Brainscape

Q

Sec(θ)^2

A

1+Tan(θ)^2

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Cosec(θ)^2

A

1+Cot(θ)^2

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Sin(2θ)

A

2SinθCosθ

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Cos(2θ)

A

Cos(θ)^2 - Sin(θ)^2
1-2Sin(θ)^2
2Cos(θ)^2 - 1

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

Tan(2θ)

A

(2tan(θ))/(1-tan(θ)^2)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly