• • Note: Thoughts expressed in this article are solely those of the author(s). Any advice given in this article may not work in all situations. OUTLINE Domain and co-domain Motivating graphing of trigonometric functions Now it's time for graphing Sine and cosine It's time for practice Tangent and cotangent It's time for practice Secant and cosecant It's time for some games Use of technology to graph trigonometric functions Graphing calculators Geogebra Maple Wolfram Alpha And more...   SUMMARY:  We talk about how to introduce your students to graphing trigonometric functions.    After you’ve explained to your students that the sine and cosine are functions from the real numbers to the real…

• Note: Thoughts expressed in this article are solely those of the author(s). Any advice given in this article may not work in all situations.   OUTLINE Non-acute angles Generalizing the sine function Tangent, secant, and so on Now the unit circle The sine as a function on the real numbers SUMMARY: We talk about how to introduce your students to the general notion of a trigonometric function defined for any angle, acute or not, and we talk about how to use the unit circle to define trigonometric functions.   After you’ve spent some time practicing with your students and give them some time to work on exercises on their own,…

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