Elementary Trigonometry

Ch. 33 from R D Sharma

Trigonometric ratios, identities, and maximum and minimum values of trigonmetric expressions

Sections

33.1 Introduction

33.2 Some basic formulae

33.3 Doman and range of trigonometrical functions

33.4 Sum and difference formulae

33.5 Sun and difference into products

33.6 Product into sum and difference

33.7 T-ratios of the sum of three or more angles

33.8 Values of trigonometric ratios of some important angles and some important results

33.9 Expressions of sin A/2 and cos A/2 in terms of sin A

33.10 maximum and minimum values of trigonometrical functions

## Saturday, October 11, 2008

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