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Home > PC > Chapter 6 > Lesson 6.1.2 > Problem 6-29

6-29.

Evaluate each expression for  (in radians) and leave your answers in fraction form when appropriate. Remember the restricted ranges for the functions. 

Compute without a calculator

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The domain of inverse sine is . The domain of inverse cosine is .

Unit Circle, with 16 radii, corresponding to the special angles, each point is labeled in radians & as exact ordered pairs for the points. For example, the first radius in quadrant 1 is labeled 1 sixth pi, with the ordered pair: (1 half times square root of 3, comma 1 half). Quadrants are labeled with the follow ordered pairs: First, positive, positive. Second, negative, positive. Third, negative, negative. Fourth, positive, negative.