Cambridge Additional Mathematics

The interactive Student CD that comes with this book is designed for those who

want to utilise technology in teaching and learning Mathematics.

The CD icon that appears throughout the book denotes an active link on the CD.

Simply click on the icon when running the CD to access a large range of interactive

features that includes:

printable worksheets

graphing packages

demonstrations

simulations

SELF TUTOR

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• revision games


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USING THE INTERACTIVE CD

Simply ‘click’ on the (or anywhere in the example box) to access the worked

example, with a teacher’s voice explaining each step necessary to reach the answer.

Play any line as often as you like. See how the basic processes come alive using movement and

colour on the screen.

Ideal for students who have missed lessons or need extra help.

Self Tutor

SELF TUTORis an exciting feature of this book.

The Self Tutoricon on each worked example denotes an active link on the CD.

INTERACTIVE LINK

SeeChapter 8 The unit circle and radian measure, , page 209

Example 10 Self Tutor

Find the two anglesμon the unit circle, with 06 μ 62 ¼, such that:

a cosμ=^13 b sinμ=^34 c tanμ=

a cos¡^1 (^13 )¼ 1 : 23

) μ¼ 1 : 23 or 2 ¼¡ 1 : 23

) μ¼ 1 : 23 or 5 : 05

b sin¡^1 (^34 )¼ 0 : 848

) μ¼ 0 : 848 or ¼¡ 0 : 848

) μ¼ 0 : 848 or 2 : 29

c tan¡^1 (2)¼ 1 : 11

) μ¼ 1 : 11 or ¼+1: 11

) μ¼ 1 : 11 or 4 : 25

-1 1 x

1

y

• 
  

-1 1 x O

1

y

• 
  

Er

-1 1 x O

1

y

-1 Qe

O

INTERACTIVEINTERACTIVE STUDENT CDSTUDENTCD

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trations•

graphingsoftware

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Mathematics

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