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SINE AND COSINE FUNCTION GRAPHS

Total questions: 14

Worksheet time: 2hrs 58mins

Name
Class
Date
1.

What is the equation of graph?

a)

y = 2 sin x

b)

y = 2 cos x

c)

y = 2 cos 2x

d)

y = 2 sin 2x

2.

What is the period? remember : is cosine

a)

 2π2\pi  

b)

 π2\frac{\pi}{2}  

c)

 34π\frac{3}{4}\pi  

d)

π

3.

What is the period of y= 4 cos (5x)

a)

2π/5

b)

π

c)

5

d)

5π

4.

Choose the rigth answer

y = 3 sin (7x) - 2

a)

period 27πperiod\ \frac{2}{7}\pi Amplitud 7 cycles 3 vertical shift -2

b)

- period\ \frac{2}{7}\pi Amplitud 3 cycles 7 vertical shift -2

c)

period\ \frac{2}{7}\pi Amplitud 7 cycles 3 phase shift +2

d)

period\ \frac{2}{7}\pi Amplitud 3 cycles 7 phase shift +2

5.
What is the period of
y= 4 cos (5x)
a)
2π/5
b)
π
c)
5
d)
5π
6.

Write an equation of a sine function with a period of π and amplitude of 7.

a)

y=7 sin x

b)

y= 2 sin πx

c)

y=2 sin 7x

d)

y=7 sin 2x

7.

 y= 4 cos (12x+π)2y=\ 4\ \cos\ \left(\frac{1}{2}x+\pi\right)-2  what is the phase shift ?

a)

π-\pi

b)

π2-\frac{\pi}{2}

c)

2π-2\pi

d)

2π2\pi

8.

Which function represents the graph?

a)

f(x) = 3 sin x

b)

f(x) = 3 cos x

c)

f(x) = sin ( ⅓ x)

d)

f(x) = sin (3 x)

9.

If the blue line is y= sin x

What is the equation of the green line?

a)

y = sin 2x

b)

y = 2 sin x

c)

y= sin (2x +π)y=\ \sin\ \left(2x\ +\pi\right)

d)

y= sin (x +π)y=\ \sin\ \left(x\ +\pi\right)

10.

 y= 4 cos (12x+π)2y=\ 4\ \cos\ \left(\frac{1}{2}x+\pi\right)-2  What is the end point of the  phase shift for 

a)

 3π3\pi  

b)

 π2\frac{\pi}{2} 

c)

 6π6\pi 

d)

2π2\pi

11.

The blue line es y= sin x

what is function of the green line?

a)

y= 2sin x 2y=\ 2\sin\ x\ -2

b)

y= sin (2x+π)y=\ \sin\ \left(2x+\pi\right)

c)

y= sin (x+π)2y=\ \sin\ \left(x+\pi\right)-2

d)

y= sin (2x+π)2y=\ \sin\ \left(2x+\pi\right)-2

12.

What is the equation of the red graph?

a)

y=2sin xy=2\sin\ x

b)

y=12sin xy=\frac{1}{2}\sin\ x

c)

y= 2sin 2xy=\ 2\sin\ 2x

d)

y= sin 12xy=\ \sin\ \frac{1}{2}x

13.

What is the period?

a)

b)

c)

π

d)

14.

 y= 3 sin(4x) +1y=\ 3\ \sin\left(4x\right)\ +1  

find the graph of the function

a)
b)