Identities Flashcards
1
Q
tan θ =
A
sin θ/cos θ
2
Q
cot θ =
A
cos θ/sin θ
3
Q
csc θ =
A
1/sin θ
4
Q
sec θ =
A
1/cos θ
5
Q
cot θ =
A
1/tan θ
6
Q
sin² θ + cos² θ =
A
1
7
Q
tan² θ + 1 =
A
sec² θ
8
Q
cot² θ + 1 =
A
csc² θ
9
Q
sin (- θ) =
A
-sin θ
10
Q
cos (- θ) =
A
cos θ
11
Q
tan (- θ) =
A
-tan θ
12
Q
csc (- θ) =
A
-csc θ
13
Q
sec (- θ) =
A
sec θ
14
Q
cot (- θ) =
A
-cot θ
