4) Relations between Trigonometric Functions:

5) Trigonometric functions of special angles:

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6) sin ( A ± B ) = sin A cos B ± cos A sin B

    cos ( A ± B ) = cos A cos B sin A sin B

    tan ( A ± B ) =

7) sin²A - sin²B = sin ( A + B ) sin (A - B )

    cos²A - cos²B = sin ( A + B ) sin ( A - B)

    cos²A - sin²B = cos (A + B ) cos ( A - B)

Index

Introduction

1.1 Functions And Mapping
1.2 Functions, Their Graphs and Classification
1.3 Rules for Drawing the Graph of a Curve
1.4 Classification of Functions
1.5 Standard Forms for the equation of a straight line
1.6 Circular Function and Trigonometry

Chapter 2