Unit 3 Booklet
Unit 3 Booklet
Unit 3 Booklet
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Sketches of the three trigonometric graphs, for comparison:<br />
y<br />
1<br />
y = sinx°<br />
y<br />
y = tanx°<br />
90° 180° 270° 360°<br />
x<br />
Ð1<br />
y<br />
1<br />
y = cosx°<br />
90° 180° x<br />
90° 180° 270° 360°<br />
x<br />
Ð1<br />
Check your graphs are similar to those shown above.<br />
B . Sketching and identifying trigonometric functions<br />
Exercise 2A<br />
1. Write down the equations of the trigonometric functions represented by the following<br />
graphs:<br />
(a)<br />
y<br />
10<br />
(b)<br />
y<br />
6<br />
90° 180° 270° 360°<br />
x<br />
90° 180° 270° 360°<br />
x<br />
Ð10<br />
Ð6<br />
(c)<br />
y<br />
5<br />
(d)<br />
y<br />
0á8<br />
90° 180°<br />
x<br />
45° 90° x<br />
Ð5<br />
Ð0á8<br />
Mathematics Support Materials: Mathematics 3 (Int 2) Ð Student Materials 27
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