Trigonometric Functions (Chapter 4) Flashcards
1
Q
amplitude is a ____ dilation
A
vertical
2
Q
period is a _____ dilation
A
horizontal
3
Q
center is a ____ translation
A
vertical
4
Q
phase is a _____ translation
A
horizontal
5
Q
For AMPLITUDE:
k>1
0<k<1
k<1
A
function is stretched
function is compressed
function is reflected in x-axis
6
Q
does tan(x) have an amplitude?
A
no
7
Q
For PERIOD:
a>1
0<a<1
a<1
A
compressed
stretched
reflected in y-axis
8
Q
What is the period of sinx
A
2pi
9
Q
What is the period of cosx
A
2pi
10
Q
What is the period of tanx
A
pi
11
Q
For CENTRE:
c>0
c<0
A
upwards
downwards
12
Q
For PHASE:
b>0
b<0
A
left
right
