Trigonometry Flashcards
1
Q
Formula for Arc Length
A
Arc Length = (Theta)(Radius)
2
Q
sin(π - x) =
A
sin x
3
Q
sin(π + x) =
A
-sin x
4
Q
sin(-x)
A
-sin x
5
Q
cos(-x)
A
cos x
6
Q
cos(π-x)
A
-cos x
7
Q
cos(π + x)
A
-cos x
8
Q
cos(π/2 - x)
A
sin x
9
Q
cos(π/2 + x)
A
-sin x
10
Q
sin(π/2 - x)
A
cos x
11
Q
sin(π/2 + x)
A
cos x
12
Q
Period for Sine and Cosine
A
(2π)/|b| or 360°/|b|
13
Q
cos(x - π/2)
A
sin x
14
Q
Period for Tangent
A
π/|b| or 180°/|b|
15
Q
tan 0
A
0
