Trigonometry Functions Flashcards
1
Q
Which function is positive in quadrant 1?
A
All functions are.
2
Q
Which function is positive in quadrant 2?
A
Sin(e)
3
Q
Which function is positive in quadrant 3?
A
Tangent (Tan)
4
Q
Which function is positive in quadrant 4?
A
Cosin(e)
5
Q
cosin(e) definition
A
adjacent over hypotenuse
6
Q
sin(e) definition
A
opposite over hypotenuse
7
Q
tangent definition
A
sin/cosine or y/x
8
Q
sec definition
A
1/cos
9
Q
csc definition
A
1/sin
10
Q
cot definition
A
cosine/sine
11
Q
cos(π/6)
A
√3/2
12
Q
sin(π/6)
A
1/2
13
Q
tan(π/6)
A
√3/3
14
Q
cos(π/3)
A
1/2
15
Q
sin(π/3)
A
√3/2
16
Q
tan(π/3)
A
√3
17
Q
cos(π/4)
A
√2/2
18
Q
sin(π/4)
A
√2/2
19
Q
tan(π/4)
A
1
20
Q
cos(2π)
A
1
21
Q
sin(2π)
A
0
22
Q
tan(2π)
A
0
23
Q
cos(π/2)
A
0
24
Q
sin(π/2)
A
1
25
Q
tan(π/2)
A
undefined
26
Q
cos(π)
A
-1
27
Q
sin(π)
A
0
28
Q
tan(π)
A
0
29
Q
cos(3π/2)
A
0
30
Q
sin(3π/2)
A
-1
31
Q
tan(3π/2)
A
undefined
