Everything Maths Grade 10

Step 3: Plot the points and join with a smooth curve

30 ◦ 60 ◦ 90 ◦ 120 ◦ 150 ◦ 180 ◦ 210 ◦ 220 ◦ 270 ◦ 300 ◦ 330 ◦ 360 ◦

 5

 4

 3

 2

 1

1

2

3

4

5



f()

Domain:f: 0° 360 °; ̸= 90°; 270°gRange:ff() :f() 2 Rg

Exercise 6 – 6:

1.Shown the following graph of the following form:y=asin+qwherePoint Ais at(180◦;1,5), and

Point Bis at(90◦; 3), find the values ofaandq.

30 60 90 120 150 180 210 240 270 300 330 360

 1

1

2

3

4

B

A

x

y

2.Shown the following graph of the following form:y=asin+qwherePoint Ais at(270◦; 6 ), and

Point Bis at(90◦; 2 ), determine the values ofaandq.

30 60 90 120 150 180 210 240 270 300 330 360

 6

 5

 4

 3

 2

 1

1

2

3

A

B

x

y

200 6.6. Trigonometric functions