# Trigonometric Equations

> Trigonometric Equations (iPhone/iPad app by FadiSoft Inc..)

- Source: https://appshunter.io/ios/app/trigonometric-equations/id927622565 (this page in markdown: same URL + `.md`)
- Developer: [FadiSoft Inc.](https://appshunter.io/developer/721334526)
- Category: Education, Utilities
- Price: $0.99
- Age rating: 4+
- Requires: iOS 9.0 · 10 MB
- Languages: American English, Arabic, Catalan, Czech, Danish, Dutch, Finnish, French (France), German (Germany), Greek and 21 more
- Released: 2014-10-22
- Data updated: 2026-08-14
- User reviews in markdown: https://appshunter.io/ios/app/trigonometric-equations/id927622565/reviews.md

## What is Trigonometric Equations?

A quick reference to over 150 trigonometric equations that are essential to any student taking a math course with trigonometry as one of its subjects.  Complete with zoomable equations as well as a sample problem provided with hint and solution.  An easy to use menu with the options All equations, Basics, Identities, Power reduction, Half angle, Triple angle, Calculus.  FadiSoft icon on credits page lists all apps by FadiSoft.


## Version history (last 5 releases)

### 1.06 — 2024-06-23

Bug fixes and performance improvements

### 1.05 — 2021-05-18

fix alignment

### 1.04 — 2021-05-13

Updated to latest IOS version

### 1.03 — 2018-02-13

This app has been updated by Apple to display the Apple Watch app icon.

Compatibility with latest IOS

### 1.02 — 2015-10-17

bug fix

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All apps by FadiSoft Inc.: https://appshunter.io/developer/721334526

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-14.*