pre calc identities Flashcards
1
Q
(Quotient) tanx=
A
sinx/cosx
2
Q
(Quotient) cotx=
A
cosx/sinx
3
Q
(Reciprocal) sinx=
A
1/cscx
4
Q
(Reciprocal) cosx=
A
1/secx
5
Q
(Reciprocal) tanx=
A
1/cotx
6
Q
(Reciprocal) cscx=
A
1/sinx
7
Q
(Reciprocal) secx=
A
1/cosx
8
Q
(Reciprocal) cotx=
A
1/tanx
9
Q
(Pythagorean) cos^2x + sin^2x=
A
1
10
Q
(Pythagorean) 1 + tan^2x=
A
sec^2x
11
Q
(Pythagorean) cot^2x + 1=
A
csc^2x
12
Q
(Cofunction) sin(π/2 - x)=
A
cosx
13
Q
(Cofunction) cos(π/2 - x)=
A
sinx
14
Q
(Cofunction) tan(π/2 - x)=
A
cotx
15
Q
(Cofunction) csc(π/2 - x)=
A
secx
16
Q
(Cofunction) sec(π/2 - x)=
A
cscx
17
Q
(Cofunction) cot(π/2 - x)=
A
tanx
18
Q
(Odd) sin(-x)=
A
-sinx
19
Q
(Odd) csc(-x)=
A
-cscx
20
Q
(Odd) tan(-x)=
A
-tanx
21
Q
(Odd) cot(-x)=
A
-cotx
22
Q
(Even) cos(-x)=
A
cosx
23
Q
(Even) sec(-x)=
A
secx