Ch.4 Test Flashcards
1
Q
sin
cos
tan
equal
A
angle = ratio
2
Q
arcsin
arccos
arctan
equal
A
ratio
3
Q
steps to find the arcsin/cos/tan
A
Figure out the angle(s)
Find what ratio the angle goes with
Use the rule to figure out where it belongs
4
Q
arc sin +
A
(0,90)
5
Q
arc sin -
A
(-90, 0)
6
Q
arc cos +
A
(0,90)
7
Q
arc tan +
A
(0, 90)
8
Q
arc tan -
A
(-90,0)
9
Q
arc cos -
A
(90, 180)
10
Q
A
