+ Experiment with the sliders below to figure out how each 66 component affects the graph. V y=a cos(b(x + h))+k O a= 2.1 -4 y = 2,1 cosN.13(x + -2.2))+0.1 O b= 1.13 O h= -2.2 -10 10 fi/2 S/2 O k= 0.1 -10 10

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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### Task 4: Experiment with Cosine

In this task, you'll explore how different parameters affect the graph of a cosine function. Experiment with the sliders to see the variations in real-time.

#### Function and Sliders
The function under investigation is:
\[ y = a \cos \left( b(x + h) \right) + k \]

You can manipulate the following parameters using the sliders:
- \( a = 2.1 \)
- \( b = 1.13 \)
- \( h = -2.2 \)
- \( k = 0.1 \)

#### Graph Explanation
The graph displays the effect of these parameters on the cosine function.

1. **Amplitude** (\( a \)): The slider for \( a \) changes the vertical stretch or compression of the cosine wave. The amplitude \( a \) is currently set at 2.1, meaning the graph will have a peak value of 2.1 and a trough value of -2.1.

2. **Frequency** (\( b \)): The slider for \( b \) adjusts the horizontal stretch or compression, which changes the frequency of the wave. A \( b \) value of 1.13 results in a slightly stretched wave compared to the standard cosine function.

3. **Horizontal Shift** (\( h \)): Adjusting \( h \) translates the graph horizontally. With \( h \) set to -2.2, the function shifts 2.2 units to the left.

4. **Vertical Shift** (\( k \)): The \( k \) value moves the entire function up or down. A \( k \) value of 0.1 shifts the graph slightly upwards.

#### Visualization
In the graph:
- The red curve represents the cosine function with the given parameters: \( y = 2.1 \cos(1.13(x + (-2.2))) + 0.1 \).
- The green dashed line shows a standard cosine function for comparison.

You can observe how altering each parameter with the sliders impacts the graph's shape and position. Try changing the values to understand better how cosine function parameters influence its graph. 

Explore and enjoy your experiment with cosines!
Transcribed Image Text:### Task 4: Experiment with Cosine In this task, you'll explore how different parameters affect the graph of a cosine function. Experiment with the sliders to see the variations in real-time. #### Function and Sliders The function under investigation is: \[ y = a \cos \left( b(x + h) \right) + k \] You can manipulate the following parameters using the sliders: - \( a = 2.1 \) - \( b = 1.13 \) - \( h = -2.2 \) - \( k = 0.1 \) #### Graph Explanation The graph displays the effect of these parameters on the cosine function. 1. **Amplitude** (\( a \)): The slider for \( a \) changes the vertical stretch or compression of the cosine wave. The amplitude \( a \) is currently set at 2.1, meaning the graph will have a peak value of 2.1 and a trough value of -2.1. 2. **Frequency** (\( b \)): The slider for \( b \) adjusts the horizontal stretch or compression, which changes the frequency of the wave. A \( b \) value of 1.13 results in a slightly stretched wave compared to the standard cosine function. 3. **Horizontal Shift** (\( h \)): Adjusting \( h \) translates the graph horizontally. With \( h \) set to -2.2, the function shifts 2.2 units to the left. 4. **Vertical Shift** (\( k \)): The \( k \) value moves the entire function up or down. A \( k \) value of 0.1 shifts the graph slightly upwards. #### Visualization In the graph: - The red curve represents the cosine function with the given parameters: \( y = 2.1 \cos(1.13(x + (-2.2))) + 0.1 \). - The green dashed line shows a standard cosine function for comparison. You can observe how altering each parameter with the sliders impacts the graph's shape and position. Try changing the values to understand better how cosine function parameters influence its graph. Explore and enjoy your experiment with cosines!
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