Trifonometriska formler Flashcards
1
Q
cos(π−x)=
A
-cosx
2
Q
sin(π−x)=
A
sinx
3
Q
tan(π−x)=
A
-tanx
4
Q
sin(x−π)=
A
-sinx
5
Q
cos(x−π)=
A
-cosx
6
Q
tan(x−π)=
A
tanx
7
Q
sin(2π−x)=
A
-sinx
8
Q
cos(2π−x)=
A
cosx
9
Q
tan(2π−x)=
A
-tanx
10
Q
sin(π/2−x)=
A
cosx
11
Q
cos(π/2−x)=
A
sinx
12
Q
tan(π/2−x)=
A
cotx
