Trig identities Flashcards
1
Q
TAN(X) =
A
SIN(X) / COS(X)
2
Q
COS^2(X) - 1 =
A
SIN^2(X)
3
Q
1 + TAN^2(X) =
A
SEC^2(X)
4
Q
1 + COT^2(X) =
A
COSEC^2(X)
5
Q
COT(X) =
A
COS(X) / SIN(X)
6
Q
SIN(2X) =
A
2SIN(X)COS(X)
7
Q
COS^2(X) - SIN^2(X) =
A
COS(2X)
8
Q
COS(2X) + 1 =
A
2COS^2(X)
9
Q
COS(2X) =
A
1 - 2SIN^2(X)
10
Q
TAN(2X) =
A
2TAN(X) / 1 - TAN^2(X)
