Unit Circle: Trig Visualizer
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About this app
Master the unit circle and trigonometry visually. Unit Circle: Trig Visualizer connects circle geometry, exact values, and trigonometric wave graphs into one interactive learning tool.
INTERACTIVE UNIT CIRCLE
- Drag the point smoothly around the 360-degree circle or jump directly to special angles (0°, 30°, 45°, 60°, 90°, and beyond).
- Observe how cosine forms the horizontal coordinate and sine forms the vertical coordinate.
- Follow the tangent projection on the vertical line at x = 1, with immediate feedback when tangent is undefined.
- Switch between degrees and radians instantly with a single tap.
SYNCHRONIZED TRIG GRAPHS
- See sine, cosine, and tangent graphs update in real time as you adjust the angle.
- Scrub smoothly across the first half-turn (0 to π) or toggle to the second half-turn (π to 2π).
- Follow coordinates, wave crests, zeroes, and asymptotes side by side with the circle.
SPECIAL ANGLES REFERENCE
- Browse the full table of 17 standard unit circle angles from 0° to 360°.
- Review exact simplified radical values for sin, cos, and tan in both degrees and radians.
- Tap any angle in the reference list to inspect it on the unit circle.
PRACTICE QUIZZES & MISTAKES REVIEW
- Test your recall with focused 10-question quizzes covering exact values, degree-to-radian conversions, and quadrants.
- Read worked step-by-step solutions and mathematical rules for every question.
- Missed questions are saved to your review list so you can practice them again until mastered.
DESIGNED FOR FOCUSED STUDY
- Clean typography and clear color-coded trigonometric functions.
- No user account or sign-in required. Your quiz progress and review list remain on your device.
INTERACTIVE UNIT CIRCLE
- Drag the point smoothly around the 360-degree circle or jump directly to special angles (0°, 30°, 45°, 60°, 90°, and beyond).
- Observe how cosine forms the horizontal coordinate and sine forms the vertical coordinate.
- Follow the tangent projection on the vertical line at x = 1, with immediate feedback when tangent is undefined.
- Switch between degrees and radians instantly with a single tap.
SYNCHRONIZED TRIG GRAPHS
- See sine, cosine, and tangent graphs update in real time as you adjust the angle.
- Scrub smoothly across the first half-turn (0 to π) or toggle to the second half-turn (π to 2π).
- Follow coordinates, wave crests, zeroes, and asymptotes side by side with the circle.
SPECIAL ANGLES REFERENCE
- Browse the full table of 17 standard unit circle angles from 0° to 360°.
- Review exact simplified radical values for sin, cos, and tan in both degrees and radians.
- Tap any angle in the reference list to inspect it on the unit circle.
PRACTICE QUIZZES & MISTAKES REVIEW
- Test your recall with focused 10-question quizzes covering exact values, degree-to-radian conversions, and quadrants.
- Read worked step-by-step solutions and mathematical rules for every question.
- Missed questions are saved to your review list so you can practice them again until mastered.
DESIGNED FOR FOCUSED STUDY
- Clean typography and clear color-coded trigonometric functions.
- No user account or sign-in required. Your quiz progress and review list remain on your device.
Explore the unit circle, sin cos tan graphs, exact values, and trig quizzes.
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What’s new
Initial release of Unit Circle: Trig Visualizer - interactive unit circle exploration, real-time sine, cosine, and tangent graphs, and angle practice.
