Geometry!! vs Beautiful Trigonometry

Geometry – Learn Geometry in Practice Discover geometry in a modern, interactive way! Perfect for students, teachers, and math enthusiasts. Master 2D and 3D shapes with clear visuals, automatic calculations, and an intuitive interface. What’s New: New 3D Shapes: Explore solids and their properties. Area, Perimeter & Volume: Automatic calculations for all shapes. Fully compatible with iOS 26: Faster, smoother performance. Features: Interactive 3D visualizations. Detailed drawings of flat and solid figures. Instant calculations: area, perimeter, and volume. Trigonometric values: sine, cosine, tangent, cotangent. Modern interface optimized for the latest iOS. Geometry makes learning math simple and enjoyable — at school, at home, or on the go!

Trigonometry doesn’t have to be confusing. When my daughter first met sine and cosine in school, she asked, “Why do we even need this?” We tried formulas, practice sheets, even flashcards — but it still felt like memorizing rules without meaning. So I built a way to make it visible. With sliders, color, and motion, she could see how angles and sides connect — how triangles breathe, how waves emerge, and how every formula has a shape behind it. That small experiment became Beautiful Trigonometry — an interactive app that turns math from abstract to intuitive. Instead of memorising, explore. Move a slider, rotate a triangle, or trace the unit circle — and suddenly, sine, cosine, and tangent make sense. You’ll discover how to: - Understand how angles and sides connect - See how triangles and graphs reflect each other - Build intuition with the unit circle - Learn faster using animations and instant feedback Free to explore: - Acute Angle Trigonometry: sine, cosine, and tangent made visual - Full Circle Functions: understand sine and cosine across 360° - Triangle Area: learn the sine area formula interactively - Law of Cosines: see it work step by step Upgrade to PRO and unlock: - Graphs of all trig functions: sine, cosine, tangent, cotangent, secant, cosecant - Trig Identities & Formulas: a complete reference Perfect for - Students who want trigonometry to finally click - Teachers and tutors explaining visually - Anyone who loves learning through discovery You won’t just study trigonometry — you’ll feel it click. Part of the Beautiful Math series. Learn visually. Understand deeply. Move ahead.