This app has 42 Trigonometric Proofs of Identities. Work on your own and then compare your answers to the steps shown in the app for proving the identity. Each step in the app is initially hidden and can be shown by clicking on the + button.
Version history
1.0.1
2021-04-10
Added seven more proofs.
1.0.0
2021-01-08
Download Trigonometry Identities Proofs on Android and iPhone for free