Trig 16 Principal Angles/Sine/Cosine Flashcards
1
Q
Sine π/6
A
1/2
2
Q
Cosine π/6
A
√3/2
3
Q
Sine π/4
A
√2/2
4
Q
Cosine π/4
A
√2/2
5
Q
Sine π/3
A
√3/2
6
Q
Cosine π/3
A
1/2
7
Q
Sine π/2
A
1
8
Q
Cosine π/2
A
0
9
Q
Sine 2π/3
A
√3/2
10
Q
Cosine 2π/3
A
-1/2
11
Q
Sine 3π/4
A
√2/2
12
Q
Cosine 3π/4
A
-√2/2
13
Q
Sine 5π/6
A
1/2
14
Q
Cosine 5π/6
A
-√3/2
15
Q
Sine π
A
0
16
Q
Cosine π
A
-1
17
Q
Sine 7π/6
A
-1/2
18
Q
Cosine 7π/6
A
-√3/2
19
Q
Sine 5π/4
A
-√2/2
20
Q
Cosine 5π/4
A
-√2/2
21
Q
Sine 4π/3
A
-√3/2
22
Q
Cosine 4π/3
A
-1/2
23
Q
Sine 3π/2
A
-1
24
Q
Cosine 3π/2
A
0
25
Q
Sine 5π/3
A
-√3/2
26
Q
Cosine 5π/3
A
1/2
27
Q
Sine 7π/4
A
-√2/2
28
Q
Cosine 7π/4
A
√2/2
29
Q
Sine 11π/6
A
-1/2
30
Q
Cosine 11π/6
A
√3/2
31
Q
Sine 2π (0)
A
0
32
Q
Cosine 2π (0)
A
1
33
Q
Tangent π/6
A
√3/3
34
Q
Tangent π/4
A
1
35
Q
Tangent π/3
A
√3
36
Q
Tangent π/2
A
Undefined
37
Q
Tangent 2π/3
A
-√3
38
Q
Tangent 3π/4
A
-1
39
Q
Tangent 5π/6
A
-√3/3
40
Q
Tangent π
A
0
41
Q
Tangent 7π/6
A
√3/3
42
Q
Tangent 5π/4
A
1
43
Q
Tangent 4π/3
A
√3
44
Q
Tangent 3π/2
A
Undefined
45
Q
Tangent 5π/3
A
-√3
46
Q
Tangent 7π/4
A
-1
47
Q
Tangent 11π/6
A
-√3/3
48
Q
Tangent 2π (0)
A
0
