Teacher Resources for Instructional Planning


Algebra 2 with Trigonometry Std 11: Define the six trigonometric functions using ratios of the sides of a right triangle, coordinates on the unit circle, and the reciprocal of other functions.

Lesson Plans Trigonometry Drills Two of these activities have specifically been created to enhance students' abilities to appreciate and use trigonometry as a tool in problem solving Stringing Along with Radians Students will learn the meaning of radians by physically transferring the measurement of the radius onto the circle. Students will also discover the relationship between radian and degree measurement and explore applications. Sin, Cos, Tan as Right Triangle Ratios A clear lesson with a graphic, examples, and practice. Csc, Sec, Cot as Ratios A clear lesson with a graphic, examples, and practice. Reciprocal Functions A clear lesson with good examples, practice, and calculator instruction. The 6 Trigonometric Functions This lesson is an overall coverage of the 6 Trig Functions using their relationships on the unit circle. This could easily be adapted as a PowerPoint lesson.

Resources: The history of Trigonometry. This is a great site to help fill in some of the history of the development of the trigonometric functions. Trigonometric Realms An introduction to right triangle trigonometry. Includes an interactive triangle which allows the student to change the angle and observe the sine, cosine, and tangent change with it. Trig Point Definitions Trigonometric definitions relating a coordinate on the Cartesian plane to the graph of trigonometric functions. Manipulate the point and watch the curve change. Math.com A great site for students to read about trigonometry. Edhelper.com Randomly generated worksheets on trigonometry. Trigonometry Applet Resource for Trigonometry including a java applet that shows the geometric relationship among all six trigonometric functions. It is an online tutorial that teaches trigonometry relating it to geometry, history, and functions. The best on the web! Common Angles Around a Circle Interactive common angles applet.
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