The student will be able to evaluate the sine, cosine, tangent, secant, cosecant and cotangent of angles given a point on the terminal side of the angle in standard position.
GNU: This site has an outstanding introduction to the concept of sine and cosine called "Discovering Trig." This would be a great investigation for students to go through independently or in pairs. The tutorial starts with some basic questions about trigonometry as a subject, as the students finish reading and interacting with each page they should click to go to the next page. This overview touches on the definitions of sine and cosine as well as the shapes of their graphs. GNU
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