Trig Graphs
Trig Graphs
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Drawing and using properties of Trig graphs
1
Sketch the graph of y = cos (x– 90)°, 0 < x < 360
3 Marks
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Max 1, min – 1
Starts at (0, 0)
increases to (90, 1)
decreases to (180, 0)
continues decreasing till (270, –1)
Increases to (360, 0)
2
Sketch the graphs of y = 3 sin2x°, 0° < x < 360°
3 Marks
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Max 3, min – 3
2 sine waves between 0 and 360
3
The graph below shows part of y = a sin bx
State the values of a and b
2 Marks
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a = 5
b = 3
4
The graph below shows part of y = a sin bx
State the values of a and b
2 Marks
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a = 4
b = 3
5
Sketch the graphs of y = 4cos3x°, 0° < x < 360°
3 Marks
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Max 4, min –4
3 cos waves between 0 and 360
6
The graph below shows part of y = a sin bx + c
State the values of a, b and c
3 Marks
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a = 4
b = 3
c = 2
7
The graph below shows part of y = a sin bx
State the values of a and b
3 Marks
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a = 3
b = 2
8
The graph below shows part of y = a cos bx°
State the values of a and b
3 Marks
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a = 5
b = 3
9
The graph below shows part of y = a sin bx°
State the values of a and b
3 Marks
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a = 4
b = 5
10
The graph below shows part of y = a cos bx°
State the values of a and b
2 Marks
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a = 2
b = 4
11
The graph below shows part of y = a sin x° + c
State the values of a and c
2 Marks
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a = 3
b = 1
12
The graph below shows part of y = tan ax°
State the values of a
1 Mark
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a = 2
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