1. Given that the radius r of the unit circle is 1, what would be the values of sin 0 and cos 0 in the unit circle?

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
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Chapter5: Trigonometric Functions: Right Triangle Approach
Section5.1: Angle Measure
Problem 1E: a The radian measure of an angle is the length of the __________ that subtends the angle in a...
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1. Given that the radius r of the unit circle is 1, what would be the values of sin 0 and cos 0 in
the unit circle?
2. In which quadrant is the reference angle unnecessary in finding the values of the
trigonometric ratios?
3. Do all angles have values for all six trigonometric ratios? Why or why not?
Transcribed Image Text:1. Given that the radius r of the unit circle is 1, what would be the values of sin 0 and cos 0 in the unit circle? 2. In which quadrant is the reference angle unnecessary in finding the values of the trigonometric ratios? 3. Do all angles have values for all six trigonometric ratios? Why or why not?
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