IDENTITIES Flashcards
1
Q
Sin u
Cos u
A
Tan u
2
Q
Cos u
Sin u
A
Cot u
3
Q
Sin²u + Cos²u
A
1
4
Q
Cot²+1
A
Csc²u
5
Q
Tan²u + 1
A
Sec²u
6
Q
Csc²u - 1
A
Cot²u
7
Q
Sec²u - 1
A
Tan²u
8
Q
1/csc u
A
Sin u
9
Q
1/sin u
A
Csc u
10
Q
1/sec u
A
Cos u
11
Q
1/cos u
A
Sec u
12
Q
1/cot u
A
Tan u
13
Q
1/tan u
A
Cot u
14
Q
2sinucosu
A
Sin2u
15
Q
2tanu/
1-tan²u
A
Tan2u