Math Unit 7 Test Review Flashcards
(21 cards)
1
Q
Degrees to radians
A
π/180
2
Q
Radians to degrees
A
180/π
3
Q
Period
A
2π/b
4
Q
sin
A
y=asin(bx)+c
5
Q
cos
A
y=acos(bx)+c
6
Q
sin (?,?)
A
y
7
Q
cos (?,?)
A
x
8
Q
tan
A
y/x
9
Q
Amplitude
A
I a I or (max-min)/2
10
Q
Midline
A
(max-min)/2
11
Q
coterminal
A
end at same point, add or subtract 360 until the reach the same point. If they don’t than they are not
12
Q
How to find arc length
A
S=Θr (central angle IN RADIANS)(radius)
13
Q
How to find sector area
A
1/2(central angle IN RADIANS)(radius)^2
14
Q
cos graph
A
starts above 0
15
Q
sin graph
A
starts at 0
16
Q
vertical transition
A
the number added or subtracted to the equation
17
Q
reflection
A
- at front or at x
18
Q
midline
A
same as vertical transition
19
Q
range
A
[midline-amplitude, midline + amplitude)
20
Q
period
A
2π/ I b I (b=# before x)
21
Q
360=
A
2π
