WorksheetsTransformations of Trig Functions
Total questions: 25
Worksheet time: 18mins
The __________ represents the distance above or below the midline of a sine or cosine graph; we always take the absolute value of this height.
Period
Vertical Shift
Phase Shift
Amplitude
The period of a sine or cosine graph can be found by ....
It's always 2π
2π/B
B(2π)
2π+B
y=cos(3x - π) - 5?
Where is the midline for
y=2cos(1/3x +π/6) +2
y = 1/3
y = -2
y = 2
y = 4
f(x) = -3cos x ?
Choose the correct equation for the graph.
y=sin(x)
y=sec(x)
y=csc(x)
y=tan(x)
y=cot(x)
Choose the correct equation for the graph.
y=sin(x)
y=sec(x)
y=csc(x)
y=tan(x)
y=cos(x)
Choose the correct equation for the graph.
y=cot(x)
y=sec(x)
y=csc(x)
y=tan(x)
y=cos(x)
Which of the functions does NOT have a period of 2π
y = sin x
y = tan x
y = csc x
y=-2sin(x-π)
What is the amplitude of the graph?
-3
2
-2
3
What is the equation of the midline of the graph?
y = -1
y = 0
y = 3
y = -3
Let f(t) = sin(t) and g(t) = sin(4t). What transformation of f(t) results in g(t)?
Vertical Stretch
Horizontal Stretch
Vertical Compression
Horizontal Compression
Let f(t) = sin(t) and g(t) = sin(t - 4). What transformation of f(t) results in g(t)?
Vertical shift down 4
Horizontal shift right 4
Vertical shift up 4
Horizontal shift left 4
The period of the curve is:
2π
3π
4π
21π
What is the period of the equation shown?
3π
2π
3π / 2
2π / 3
Describe the horizontal and vertical shifts.
right 3π/2 , down 5
left 2π/3 , up 5
right 2π/3 , up 5
left 2π , down 5
What is the vertical shift for y=4cos21(x+π)−2 ?
up 2
left 2
right 2
down 2
Write the equation of a cosine graph given the following:
Midline: y = 0
Amplitude = 3
Reflection over the x-axis
No Phase Shift
Period = π
y=−3cos2x
y=−3cosπx
y=−3cosx
y=3cosx+2
What are the amplitude and the period of the graph represented by the equation y=−3cos 3θ ?
amplitude: -3 ; period: 3π
amplitude: -3; period: 6π
amplitude: 3; period: 3π
amplitude: 3; period: 6π
