Trigonometriska Identiteter Flashcards
1
Q
sin^2(v)+cos^2(v) =
A
1
2
Q
1 =
A
sin^2(v)+cos^2(v)
3
Q
tan(x) =
A
sin(x)/cos(x)
4
Q
sin(90-v) =
A
cos(v)
5
Q
cos(90-v) =
A
sin(v)
6
Q
sin(-v) =
A
-sin(v)
7
Q
cos(-v) =
A
cos(v)
8
Q
tan(-v) =
A
-tan(v)
9
Q
sin(A+B) =
A
sin(A)cos(B) + cos(A)sin(B)
10
Q
cos(A+B) =
A
cos(A)cos (B) - sin(A)sin(B)
11
Q
sin(A-B) =
A
sin(A)cos(B) - cos(A)sin(B)
12
Q
cos(A-B) =
A
cos(A)cos(B) + sin(A)sin(B)
13
Q
sin(2v) =
A
2sin(v)cos(v)
14
Q
cos(2v) = {vanilla}
A
cos^2(v) - sin^2(v)
15
Q
cos(2v) = {chocolate}
A
2cos^2(v)-1
