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Pre calculus Problem of the Day Homework: p. 472 1-17 odds, 25-31 odds, 39-59 odds. On the unit circle name all indicated angles by their first positive name, both in degrees and radians. http://www.libraryofmath.com/pages/measure-of-angles/Images/measure-of-angles \_gr\_62.gif.

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pre calculus problem of the day homework p 472 1 17 odds 25 31 odds 39 59 odds
Pre calculus Problem of the DayHomework: p. 472 1-17 odds, 25-31 odds, 39-59 odds

On the unit circle name all indicated angles by their first positive name, both in degrees and radians.

slide4
Unit Circle has the equation

We are going to define the 6 trigonometric functions in terms of the unit circle, a point on the circle, P(x, y), and a distance, t, that we move around the circle starting at the point (1, 0)

slide5
Trigonometric Functions

For t equal to any real number and P(x, y) the terminal point determined by t on the unit circle, the six trigonometric functions are as follows:

sine cosine tangent

sin t = y cos t = x tan t = y/x

cosecantsecant cotangent

csc t = 1/y sec t = 1/x cot t = x/y

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