trigonometry

2.0. Know the definition of sine and cosine as y- and x-coordinates of points on the unit circle; graph the sine and cosine functions.

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Initially, the trigonometric functions are defined below, from a standard right triangle as shown below in Figure 1. This form is used for right triangle.

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Printed: Monday, August 30, 2010. Trigonometry. UNIT CIRCLE. 30° or. 6. 2. 1. ,. 2. 3. 45° or. 4. 2. 2. ,. 2. 2. 60° or. 3. 2. 3. ,.

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define the six trigonometric functions: sine, cosine, tangent, cosecant, secant, and cotangent. These six functions are abbreviated sin, cos, tan, csc, sec, and.

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The Six Trigonometric Functions. Consider a right triangle that has an acute angle θ. (the Greek letter theta). The three sides of the triangle.

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