1820 refer to the unit circle in Figure 8.35. The point P corresponds to an angle of t

Chapter 8, Problem 8.3.20

(choose chapter or problem)

1820 refer to the unit circle in Figure 8.35. The point P corresponds to an angle of t radians.(a) What are the coordinates of the point Q corresponding to angle t? (b) Show that cos(t) = cos t. (c) Show that sin(t) = sin t (d) Show that tan(t) = tan t.

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