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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

   know how cos, sin and tan functions are defined for all real numbers; be able to sketch the graph of certain trigonometric functions; know how to differentiate the cos, sin and tan functions; understand the definition of the inverse function f−1(x) = cos− 1(x).

2. open.lib.umn.edu › trigonometry › openTrigonometry - Open Textbook Library

   open.lib.umn.edu › trigonometry › open

   This book covers the major topics within the study of trigonometry, including vectors and their applications. At the University of Minnesota, this material is 75% of the PreCalculus II course, with the remaining 25% of that course covering algebraic topics which are included in a separate text.

3. openlab.citytech.cuny.eduMath Handbook of Formulas, Processes and Tricks

   openlab.citytech.cuny.edu

   One of the simplest and most basic formulas in Trigonometry provides the measure of an arc in terms of the radius of the circle, N, and the arc’s central angle θ, expressed in radians.

4. open.umn.edu › opentextbooks › textbooksTrigonometry - Open Textbook Library

   open.umn.edu › opentextbooks › textbooks

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   A free online textbook for a standard trigonometry course, covering triangles, circles, trigonometric ratios, functions, equations, identities, radians, circular functions, vectors, polar coordinates and complex numbers. Available in PDF and hardcopy formats.

5. ms.unimelb.edu.au › __data › assets3.5: Trigonometric Functions Reference Evans 6 - School of...

   ms.unimelb.edu.au › __data › assets

   3.5: Trigonometric Functions Reference Evans 6.1 Consider a right-angled triangle with angle θ and side lengths x, y and h as shown: θ x y h The trigonometric functions sine, cosine and tangent of θ are defined as: sinθ = opposite hypotenuse = y h, cosθ = adjacent hypotenuse = x h tanθ = opposite adjacent = y x = sinθ cosθ 71

6. www.adelaide.edu.au › mathslearning › uaBasic Trigonometry and Radians - The University of Adelaide

   www.adelaide.edu.au › mathslearning › ua

   Basic Trigonometry and Radians 2007 Mathematics IA & IMA Revision/5 Example: Find the acute angle whose sine is 0.743. (Note: the use of ‘acute’ is important as there are obtuse angles (ones greater than 90 ) which also have a sine of 0.743.) In other words, find θ such that sinθ = 0.743 ⇒ θ = sin−1 0.743

7. www.math-cs.gordon.edu › courses › mat121Review of Basic Trigonometry - Gordon College

   www.math-cs.gordon.edu › courses › mat121

   Review of Basic Trigonometry. 1 De nitions of cos. and sin. Draw a circle of radius r = 1 centered at the origin. This is the unit circle. Now pick a point somewhere on the perimeter of the circle and call the coordinates of this point (x; y). A line drawn from this point to the center of the circle will be 1 unit long (since the radius of the ...