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1. www.sydney.edu.au › introduction-trigonometric-functionsIntroduction to Trigonometric Functions - The University of...

   www.sydney.edu.au › introduction-trigonometric-functions

   In Chapter 2 we represent an angle as radian measure and convert degrees to radians and radians to degrees. In Chapter 3 we review the definition of the trigonometric ratios in a right angled triangle. In Chapter 4, we extend these ideas and define cosine, sine and tangent as functions of real numbers.

2. faculty.fiu.edu › ~mcguckd › Trigonometry Lecture Notes_part1Angles and Their Measure - Florida International University

   faculty.fiu.edu › ~mcguckd › Trigonometry Lecture Notes_part1

   Trigonometry Lecture Notes. Section 5.1. Angles and Their Measure. Definitions: A Ray is part of a line that has only one end point and extends forever in the opposite direction. An Angle is formed by two rays that have a common endpoint. One ray is called the initial side and the other is called the terminal side.

3. www.ibmathematics.org › wp-content › uploadsThe sine, cosine and tangent ratios - ibmathematics.org

   www.ibmathematics.org › wp-content › uploads

   Trigonometry is the study of lengths and angles in triangles. This section looks at trigonometry in right-angled triangles. In a right-angled triangle the side opposite the right angle is the hypotenuse, which is the longest side. † AC is the hypotenuse † AB is adjacent to angle A (•) † BC is opposite • Investigation • right-angled ...

4. www.pnw.edu › wp-content › uploads146 Chapter 13. The Trigonometric Functions (LECTURE NOTES 9)

   www.pnw.edu › wp-content › uploads

   13.1 Definitions of the Trigonometric Functions. Consider an angle with origin (vertex) at the origin of the coordinate system and two rays where the initial side ray is along the x-axis and terminal side ray is at the end of a rotation of angle θ.

5. www.people.vcu.edu › ~rhammack › Math200CHAPTER 3 Trigonometric Functions - Virginia Commonwealth...

   www.people.vcu.edu › ~rhammack › Math200

   Trigonometric functions are special kinds of functions that express relationships between the angles of right triangles and their sides. For example, consider the right triangle (with hypotenuse 1) drawn below.

6. diplomamath.com › wp-content › uploadsLECTURE NOTES ON TRIGONOMETRY - Diploma Math

   diplomamath.com › wp-content › uploads

   Trigonometric ratios of allied, compound, multiple and sub-multiple angles, Fac- torization and defactorization formula, Inverse Trigonometric ratios, Properties of Triangle.

7. www.slcc.edu › math › docsTrigonoinetry - Salt Lake Community College

   www.slcc.edu › math › docs

   The simplest way to describe an angle measure, or the amount of circular rotation, is to describe it as the proportion of one full revolution, ‘Rev’ for short. The following angles show measures of one revolution, half a revolution, and a quarter of a revolution. 1 The phrase ‘at least’ will be justified in short order.