1
Q
In unit circle, Sin t=
A
y
2
Q
In unit circle cos t=
A
x
3
Q
In unit circle tan t=
A
y/x
4
Q
In unit circle csc t=
A
1/y
5
Q
In unit circle sec t=
A
1/x
6
Q
In unit circle cot t=
A
x/y
