Fundamental Identities Flashcards
1
Q
Secθ=
A
1/cosθ
2
Q
cscθ=
A
1/sinθ
3
Q
sinθ=
A
1/cscθ
4
Q
Reciprocal cosθ
A
1/secθ
5
Q
Recip. tanθ
A
1/cotθ
6
Q
Quotient
tanθ
A
sinθ/cosθ
7
Q
sinθ/cosθ
A
tanθ
8
Q
Quotient
cotθ
A
cosθ/sinθ
9
Q
cosθ/sinθ
A
cotθ
10
Q
Pythagorean Identities
A
sin^2(θ)+cos^2(θ)=1
1+tan^2(θ)=sec^2(θ)
1+cot^2(θ)=csc^2(θ)
11
Q
sin(-θ)
A
-sinθ
12
Q
cos(-θ)
A
cosθ
13
Q
tan(-θ)
A
-tanθ
14
Q
csc(-θ)
A
-cscθ
15
Q
sec(-θ)
A
sec(θ)
