The Double Angle Formulas

A Level Maths revision tutorial video.
For the full list of videos and more revision resources visit www.mathsgenie.co.uk.

[@mrcaters7719]

I kept finding info online about this without any explanation. You explained it perfectly! Thank you so much!!!

[@nottsninja]

same

[@calculusguru1063]

Same here

[@haroun3283]

Love your video, they've been really helpful

[@Senna-AY]

Just found my new maths teacher !!!!!!!!!

[@landegadventures2888]

Great video, very helpful!

[@Salgandarin]

why do they change the Bs to As?

[@dimaalm6303]

how do we know which formula? to pick between them?

[@mellonkobugabe5961]

Woow thx alot

[@jasthfc352]

god i love u