Page 72 - modul trigonometri bilingual

Example 5.1

Draw a graph of function y = sin 2x + 1

Alternative Solutions

x 0° 30° 45° 60° 90° 135° 180° 225° 270° 360°
Y = without 1 1 2 1 1 0 1 2 1 1
2x + 1 2 √3 + 1 2 √3 + 1
Function graph y = sin 2x + 1

Competency Test

5
1. Sketch the following function graph for the origin region [0, 2 ],
and then specify the result area.
4
1. y = without x
3
1
2. y = 2 cos(− x)
2
1. Sketch the following function graph.
1. y = without 2(x + 30°)

1
2. y = 2 cos (x - 60°)
3

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