Double Angle Formulas | A-Level Maths
In this A-Level Maths video I'll introduce you to the double angle formulae :)
My video on angle addition formulae: • Proof of Angle Addition Formulae | A-Level...
Timestamps:
0:00 Intro
0:18 Sin(2A)
1:11 Cos(2A)
3:22 Tan(2A)
A-Level Trigonometry Playlist:
• What are Radians | A-Level Maths
For worked exam questions, check out my TikTok: / jacktutorsmaths