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Chapter 4 Solutions
Section 4.1, Extension of Exploration Exercises 63-66 (page 361)Answers
Will depend on the city that the student selects.
Section 4.2, Extension of Exploration 2 (page
364)
Answers
4. The six values are the same except possibly for sign. For example, sin 30o = sin 150o, cos 30o = -cos 150o, etc.
5. The six values are the same except possibly for sign.
Section 4.7, Extension of Exploration 1 (page
421)
Answers
7. 
8. 
9. Reason the same as in part 6.