trig functions Flashcards
1
Q
sin
A
y/r
2
Q
cos
A
x/r
3
Q
tan
A
y/x
4
Q
csc
A
r/y
5
Q
sec
A
r/x
6
Q
cot
A
x/y
7
Q
cos (A-B) =
A
cosAcosB + sinAsinB
8
Q
cos(A-B) =
A
cosAcosB - sinAsinB
