Archived App (Last seen on 10 Oct 2026)
This is an archived listing of the app previously available on the App Store.
This app helps you solve problems involving non-right-angled triangles using the Sine and Cosine rules. It calculates missing angles and sides and shows you step-by-step workings to understand the process.
1.10
May 24, 2023
Updates for new screen sizes
$0.99
Purchase Angles Calculator
Add in the ability to calculate sides and angles for right angled triangles into this App. This functionality uses the SOH, CAH and TOA calculations.
SineCosine is designed to solve problems involving non-right-angled triangles. It can calculate missing angles and sides when you provide specific known values, such as two angles and a side, or two sides and an angle.
SineCosine provides a 'Workings' button that displays a comprehensive set of steps. This allows users to understand the exact method used to arrive at each calculated answer.
SineCosine supports calculations when you specify two angles and one side, two sides and the opposite angle, two sides and the included angle, or all three sides of the triangle.
Based on the provided data, SineCosine is supported on iPhone and iPad. Information regarding Android compatibility is not available.
The latest version of SineCosine is 1.10, and it was last updated on May 24, 2023. This indicates a relatively recent update frequency.
SineCosine has an age rating of 4+, making it suitable for a wide range of users, including younger students learning about geometry.
No, SineCosine does not contain advertisements. The app is ad-free, providing an uninterrupted user experience.
SineCosine is a paid application, available for $0.99. This one-time purchase grants access to all its features.
