Free online math practice
Exact unit-circle values Practice
Exact sine, cosine, and tangent values on the unit circle.
Start practicingExact unit-circle values
- Free to practice.
- No account required.
- Progress stays on this device.
What you’ll practice
Use the reference angle for magnitude and the quadrant for sign. Tangent is undefined where cosine is zero.
Where this helps
Trigonometry, waves, geometry, and later calculus.
Before you start
Use this topic to practice math you have already learned. The examples show the available kinds of recall tasks; this is not a complete textbook chapter. Check the answer form and any stated conditions.
Try a few examples
Real practice. Real progress.
Example 1 of 4
Enter an exact number or square root.
Grades and courses that include this topic
Related practice
Start practicingExact unit-circle values
- Free to practice.
- No account required.
- Progress stays on this device.