About this app
"Trigonometry and functions" is an educational and a reference app that describes important concepts in Trigonometry. As the name suggests, the app has explanation with problems to solve on various topics, such as the six trigonometric functions, the law of sines , cosines, and tangents, inverse Trignometric functions, and the measures of degrees and radians. The audio explains the concepts that enables the user to pause, or continue to listen.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 11, 2026 · 6:53 PM $3.99
Screenshots
