Angles of Sign Flashcards
1
Q
Cos 75
A
root 3 -1 / 2root2
2
Q
Tan 22.5
A
root 2 - 1
3
Q
Sin 75
A
root 3 + 1/ 2root2
4
Q
Cos 15
A
root 3 + 1/ 2root2
5
Q
Tan 67.5
A
root 2 + 1
6
Q
Cos 72
A
root 5 -1 / 4
7
Q
Sin 18
A
root 5 -1 / 4
8
Q
Sin 67.5
A
Under root 2 + root 2 / 2
9
Q
Sin 22.5
A
Under root 2 - root2 / 2
10
Q
Cos 22.5
A
Under root 2 + root 2 / 2
11
Q
Cot 67.5
A
root 2 - 1
12
Q
Cot 22.5
A
root 2 + 1
13
Q
Cot 15
A
root 3 + 1/ root 3 - 1
14
Q
Sin 72
A
under root 10 + 2 root 5 / 4
15
Q
Sin 36
A
under root 10 - 2 root 5 / 4
