Some videos I've made

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Prerequisite for addition formula: https://www.youtube.com/watch?v=iHZmi2MHqWc

 

Proof of formula for sin(A+B):  https://www.youtube.com/watch?v=BEETggUVMrY

 

Proof of formula for cos(A+B):  https://www.youtube.com/watch?v=gTpNnlRxnIY

 

Proof of formula for tan(A+B):  https://www.youtube.com/watch?v=D5VJiL0DMWU

 

Some C3 Trig stuff: https://www.youtube.com/watch?v=Gcby6WYAVKg

 

The product rule proof with limits:https://www.youtube.com/watch?v=9FRFRVTUthk

 

Sam  G. A Level Maths tutor, A Level Further Mathematics  tutor, GCSE...

About the author

is an online A Level Maths tutor with MyTutor studying at Durham University

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