Trig identities Flashcards
1
Q
Sin^2 + cos^2 = ?
A
1
2
Q
sin(x)/cos(x) = ?
A
tan(x)
3
Q
cot(x) = ?
A
cos(x)/sin(x)
4
Q
sec^2(x) =?
A
tan^2(x) + 1
5
Q
sin(2x) = ?
A
2sin(x)cos(x)
5
Q
cosec^2(x) = ?
A
1 + cot^2(x)
6
Q
sec(x) = ?
A
1/cos(x)
7
Q
cosec(x) = ?
A
1/sin(x)
8
Q
cot(x) = ?
A
1/tan(x)
