Dubbla Vinkeln Flashcards

1
Q

sin2x=

A

2⋅sinx⋅cosx

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

cos2x= (tre alternativ)

A

cos^2(x)−sin^2(x) eller 2cos^2(x)−1 eller 1−2sin^2(x)

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

tan2x

A

2tanx/(1−tan^(2)x)

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