3. Unit Circle
Defining the Unit Circle
Problem 29
Textbook Question
Textbook QuestionIn Exercises 25β32, the unit circle has been divided into eight equal arcs, corresponding to t-values of 0, π, π, 3π, π, 5π, 3π, 7π, and 2π. 4 2 4 4 2 4 a. Use the (x,y) coordinates in the figure to find the value of the trigonometric function. b. Use periodic properties and your answer from part (a) to find the value of the same trigonometric function at the indicated real number.
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