問題一覧
1
sin0
0
2
cos0
1
3
tan0
0
4
sin30
1/2
5
cos30
√3/2
6
tan30
1/√3
7
sin45
1/√2
8
cos45
1/√2
9
sin60
√3/2
10
cos60
1/2
11
tan60
√3
12
tan45
1
13
sin90
1
14
cos90
0
15
sin(θ+2nπ)=
sinθ
16
cos(θ+2nπ)=
cosθ
17
tan(θ+2nπ)=
tanθ
18
sin(-θ)=
-sinθ
19
cos(-θ)=
cosθ
20
tan(-θ)=
-tanθ
21
sin(θ+π)=
-sinθ
22
cos(θ+π)=
-cosθ
23
tan(θ+π)=
tanθ
24
sin(π/2-θ)=
cosθ
25
cos(π/2-θ)=
-sinθ
26
tan(π/2-θ)=
1/tanθ
27
sin(θ+π/2)=
cosθ
28
cos(θ+π/2)=
-sinθ
29
tan(θ+π/2)=
-1/tanθ
30
sin(π-θ)=
sinθ
31
cos(π-θ)=
-cosθ
32
tan(π-θ)=
-tanθ