USER TASK SPECIFICATION:

Create an interactive HTML5 auto-detect about Trigonometry Unit Circle.

TARGET AUDIENCE: Secondary 3-4 - Mathematics

INTERACTIVE REQUIREMENTS:
- Educational content suitable for Secondary 3-4 students
- User interaction via sliders, buttons, checkboxes, or other appropriate controls
- Include visualizations (2D graphics)
- Display real-time changes in graphs, values, or visual feedback
- Self-contained in one HTML file with embedded CSS and JavaScript
- Add clear labels, legends, and explanations for all elements
- **MOBILE-RESPONSIVE**: Must work on phones (viewport meta tag, touch events, min 44px touch targets)
- **TOUCH-ENABLED**: Drag-and-drop must work with touch (touchstart/touchmove/touchend events)

SPECIFIC REQUIREMENTS:
None specified

LEARNING OUTCOMES:
- Students should be able to explore and understand Trigonometry Unit Circle
- Interactive elements should reveal key concepts through manipulation
- Visual feedback should reinforce learning objectives
- Design should encourage experimentation and discovery

INTERACTION FEATURES TO INCLUDE:
- Input controls (sliders/buttons) with clear labels and units
- Real-time visual updates based on user input
- Graphs or diagrams that respond to changes
- Brief explanatory text or tooltips for context
- Reset functionality to return to default state
- **Real-time analytics panel tracking student actions for learning assessment**

Create a complete, functional HTML5 interactive that meets all requirements above.