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1.6 Circular Function And Trigonometry

1) In a right - angled triangle :

2) sin q . csc q = 1 ; cos q . sec q = 1,

    tan q . cot q = 1, tan q = , cot q =

   sin2q + cos2q = 1, sec2q - tan2q = 1, csc2q - cot2q = 1


3) Signs of Trigonometric Functions in different quadrants:

 

 

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





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