Trig and Pythagorean Identities Flashcards
1
Q
1/tan(x)
A
Cot(x)
2
Q
1/sin(x)
A
Cosec(x)
3
Q
1/cos(x)
A
Sec(x)
4
Q
Cos^2(x)+sin^2(x)=
A
1
5
Q
Tan^2(x) + 1 =
A
Sec^(x)
6
Q
Sec^2(x)-tan^2(x) =
A
1
7
Q
1 + cot^2(x) =
A
Cosec^2(x)
8
Q
Cosec^2(x) - 1 =
A
Cot^2(x)
9
Q
Sec^2(x) -1 =
A
Tan^2(x)
10
Q
Cosec^2(x)-cot^(x) =
A
1
11
Q
Cos^2(x)/sin^2(x) =
A
Cot^2(x)
12
Q
Cot(x) =
A
1/ tan(x) or cos(x)/sin(x)
