identities Flashcards
1
Q
Reciprocal: secX
A
1/cosX
2
Q
Quotient: tanX
A
sinX/cosX
3
Q
Quotient: cotX
A
cosX/sinX
4
Q
Pythagorean: sin^2X+cos^2X=
A
1
5
Q
Pythagorean: sin^2X=
A
1-cos^2X
6
Q
Pythagorean: cos^2X=
A
1-sin^2X
7
Q
Pythagorean: 1+cot^2X=
A
csc^2X
8
Q
Pythagorean: csc^2X-cot^2X=
A
1
9
Q
Pythagorean: cot^2X=
A
csc^2X-1
10
Q
Pythagorean: 1+tan^2X=
A
sec^2X
11
Q
Pythagorean: sec^2X-tan^2X=
A
1
12
Q
Pythagorean: tan^2X=
A
sec^2X-1
13
Q
Reciprocal: cscX
A
1/sinX
