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# Trigonometry 1

## 1. Trigonometry 1

Foundation Year ProgramNUFYP Mathematics

Trigonometry 1

Rida El-Mehdawe

2019-2020

## 2.

Foundation Year ProgramWhat does π

mean?

Trigonometry 1

Arc length

Sector area

Right triangle ratios

2019-2020

## 3. Introduction

Foundation Year ProgramIntroduction

Some application of trigonometry.

Construction tools, and windshield

Wiper.

Is it useful to relate logarithm to trigonometry? YES

simplification of reducing multiplication and division

to addition and subtraction. How?

Taking the log of both sides of the law of sine(Will

be studied in 3.5).

2019-2020

## 4. Basic definitions

FoundationFoundation Year

Year Program

Basic definitions

• If the arc AB has length