Even/Odd Identities Flashcards
1
Q
cos(-θ)=
A
cosθ
even
2
Q
sin(-θ)=
A
-sinθ
odd
3
Q
tan(-θ)=
A
sin(-θ)/cosθ=-tanθ
odd
4
Q
cot(-θ)=
A
cosθ/-sinθ=-cotθ
odd
5
Q
sec(-θ)=
A
1/cos(-θ)=secθ
even
6
Q
csc(-θ)=
A
1/sin(-θ)=-cscθ
odd
