Transcription of Introduction to trigonometric functions
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Introduction toTrigonometric FunctionsJackie NicholasPeggy AdamsonMathematics Learning CentreUniversity of SydneyNSW 2006c 1998 University of SydneyAcknowledgementsA significant part of this manuscript has previously appeared in a version of this bookletpublished in 1986 by Peggy Adamson. In rewriting this booklet, I have relied a great dealon Peggy s ideas and approach for Chapters 1, 2, 3, 4, 5 and 7. Chapter 6 appears in asimilar form in the booklet, Introduction to Differential Calculus, which was written byChristopher her original booklet, Peggy acknowledged the contributions made by Mary Barnes andSue Gordon. I would like to extend this list and thank Collin Phillips for his hours ofdiscussion and NicholasSeptember 1998 Contents1 How to use this booklet .. Objectives .. 12 Angles and Angular Converting from radians to degrees and degrees to radians.
If you are going to do calculus, it is important to get used to thinking in terms of radian measure. In particular, think of: 180 as π radians, 90 as π 2 radians, 60 as π 3 radians, 45 as π 4 radians, 30 as π 6 radians. You should make sure you are really familiar with these. 2.2 …
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