Fundamental Trig Identities Flashcards
1
Q
csc θ
A
1 / sinθ
2
Q
tan θ
A
sinθ / cosθ
3
Q
cot θ
A
1 / tanθ OR cosθ / sinθ
4
Q
1 + tan^2θ
A
sec^2θ
5
Q
sin(-θ)
A
-sinθ
6
Q
tan(-θ)
A
-tanθ
7
Q
cos(-θ)
A
cosθ
8
Q
secθ
A
1/cosθ
9
Q
sin^2θ + cos^2θ
A
1
10
Q
1 + cot^2θ
A
csc^2θ
11
Q
cos((π/2) - θ)
A
sinθ
12
Q
sin((π/2) - θ)
A
cos θ
13
Q
tan((π/2) - θ)
A
cot θ
