Edexcel A level Maths: 7.6 Proving Trigonometric Identities

https://www.buymeacoffee.com/zeeshanz... Pearson A level Maths, Pure Year 2 Textbook (7.6) In this video you will be exposed to proof questions involving the application of the double angle formulae or addition formulae for sin, cos or tan. Follow me on Twitter and Instagram: Twitter :   / zzamurred   Instagram :   / zeeshanzamurred