Math Problem Statement
Tentukan amplitudo, periode dan gambarkan grafik fungsi trigonometri untuk y = 2sinx, y = 3sinx, y = 4sinx, y = 6cosx, y = 6cos(x/4), y = 6cos(4x)
Solution
The image you uploaded contains trigonometric functions where you're asked to determine the amplitude, period, and sketch the graph for one period. Let's solve each part:
General form of Trigonometric Functions:
- Sine Function:
- Cosine Function:
- Amplitude: (the coefficient of sine or cosine)
- Period: (where is the coefficient of )
Let's analyze each function:
1.
- Amplitude:
- Period:
2.
- Amplitude:
- Period:
3.
- Amplitude:
- Period:
4.
- Amplitude:
- Period:
5.
- Amplitude:
- Period:
6.
- Amplitude:
- Period:
Would you like details on how to sketch these graphs or how the calculations were made?
Here are 5 related questions to deepen your understanding:
- How do you determine the phase shift of a sine or cosine function?
- What is the relationship between period and frequency in trigonometric functions?
- Can you explain how to determine the vertical shift of a sine function?
- What would happen to the graph if the sine or cosine function had a negative amplitude?
- How do you sketch multiple periods of a trigonometric function?
Tip: Always check the coefficient of to determine the period of a trigonometric function. It controls how "stretched" or "compressed" the graph is along the x-axis.
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Sine Function
Cosine Function
Formulas
Amplitude: |A|
Period of sine or cosine function: 2π/|B| for y = A sin(Bx) or y = A cos(Bx)
Theorems
Trigonometric function properties: amplitude and period
Suitable Grade Level
Grades 10-12