Table of contents
- 0. Review of College Algebra(284)
- 1. Measuring Angles(327)
- 2. Trigonometric Functions on Right Triangles(205)
- 3. Unit Circle(231)
- 4. Graphing Trigonometric Functions(191)
- 5. Inverse Trigonometric Functions and Basic Trigonometric Equations(213)
- 6. Trigonometric Identities and More Equations(334)
- 7. Non-Right Triangles(117)
- 8. Vectors(160)
- 9. Polar Equations(82)
- 10. Parametric Equations(9)
- 11. Graphing Complex Numbers(91)
3. Unit Circle
Trigonometric Functions on the Unit Circle
3. Unit Circle
Trigonometric Functions on the Unit Circle: Study with Video Lessons, Practice Problems & Examples
7PRACTICE PROBLEM
The circle with a radius of one unit is partitioned into twelve equal arcs, where each arc corresponds to specific t-values. Determine the value of the trigonometric function at the given real number t using the (x,y) coordinates in the diagram or specify that the expression is undefined.
cos 0
The circle with a radius of one unit is partitioned into twelve equal arcs, where each arc corresponds to specific t-values. Determine the value of the trigonometric function at the given real number t using the (x,y) coordinates in the diagram or specify that the expression is undefined.
cos 0