Home Library Explore SAT

Home Library Explore SAT

Trig transformations Flashcards | StudBud

Explore/Trig transformations

Trig transformations

10 terms·StudBud Administration·1,169 plays

A quiz on transformations of trig functions. Suitable for C2 module. #trig #trigonometry #transformations #stretches #translations

Flashcards10 cardsFPractice quizPHost liveL

Questions 10

Answers

1
Find the equation of the blue curve. (The red curve is y=cosx).
y=cos(2x)-1
y=cos(0.5x)-1
y=-2cos(x)
y=sin(2x)-1
2
Which is the equation of the blue curve? (Hint: the red curve is y=sinx)
y=5sinx
y=3sin(x+2)
y=3sinx+2
y=2sinx+3
3
What is/are the transformation(s) from y=cosx to the graph shown?
Stretch in x sf -1, then translation +1 in x
Translation +1 in y direction
Stretch in x sf -1, then translation +1 in y
Stretch in y sf -1, then translation +2 in y
4
What is the equation of this graph?
y=-tan(x)
y=tan(x-π/2)
y=tan(x)
y=tan(x-π)
5
State the transformation from the red curve to the blue curve.
Stretch in x-direction, scale factor 1/3
Translation in x-direction π/3 units
Stretch in x-direction, scale factor 3
Stretch in y-direction, scale factor 3
6
State the transformation from y=sinx to y=cosx.
Translation, x-direction, 3π/2 units
Translation, x-direction, π units
Translation, x-direction, -π/2 units
Translation, x-direction, π/2 units
7
What is the equation of this graph?
y=-cosx+2
y=sin(x-π/2)+2
y=sin(x+π/2)+2
y=cosx+1
8
State the equation of the blue curve (the red curve is y=sinx)
y=sin(x)/3
y=3sin(x)
y=sin(x/3)
y=sin(3x)
9
Pick the trig transformation from the red curve (y=sinx) to the blue curve.
Stretch in y-direction, scale factor 0.5
Stretch in y-direction, scale factor 2
Stretch in x-direction, scale factor 2
Translation in y-direction, 1 unit.
10
What is the equation of the blue curve?
y=sin(2x)
y=cos(x)
y=2sin(x)
y=sin(x)