cos Flashcards
1
Q
sin Θ
A
對/斜
2
Q
cos Θ
A
鄰/斜
3
Q
tan Θ
A
對/鄰
4
Q
tan Θ (2)
A
sin Θ/cos Θ
5
Q
sin ⁴ θ+cos ⁴ θ
A
1-2(sin θ*cos θ) ²
6
Q
sin ⁶ θ+cos ⁶ θ
A
1-3(sin θ*cos θ) ²
7
Q
sin30
A
1/2
8
Q
cos30
A
√3/2
9
Q
tan30
A
1/√3
10
Q
sin60
A
√3/2
11
Q
cos60
A
1/2
12
Q
tan60
A
√3
13
Q
sin45
A
√2/2
14
Q
cos45
A
√2/2
15
Q
tan45
A
1
