Trigonometry Toolkit by CS

Master trigonometry faster with an interactive unit circle, smart solvers, graphing, quizzes, and a daily challenge — all in one focused toolkit.

Trigonometry Toolkit helps students learn faster by combining visual tools, calculators, and practice in one clean app.

Core tools: • Interactive Unit Circle: Drag and explore angles, sin/cos/tan values, quadrants, reference angles, and exact values. • Right Triangle Solver: Solve sides, angles, area, and perimeter quickly. • General Triangle Solver (Premium): Solve SSS, SAS, ASA, AAS, and SSA (ambiguous case). • Degree/Radian Converter: Convert instantly in both directions. • Exact Value Finder: Check common exact trig values. • Trig Identities: Search and review identities with examples. • Graphing Tool: Plot trig functions and transformations. • Reference Angle, Coterminal, Arc Length & Sector Area calculators.

Practice features: • Category-based quizzes with Easy / Medium / Hard levels. • Daily Challenge mode (5 mixed questions). • Performance insights: streak, best streak, attempts, and average accuracy. • Recent activity and continue-learning flow.

Reference and study support: • Formula list with category filters and search. • Save favorites and review recent history. • Built-in reference pages for key identities and graph rules.

Premium (one-time purchase): • Remove ads • General Triangle Solver • Advanced graphing options • Unlimited quizzes • Detailed explanations • Unlimited history and favorites • Access to premium identity sets and future premium updates

Designed for learners, exam prep, and classroom support.