Some videos I've made

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
 

SG

Related Maths A Level answers

All answers ▸

Differentiate the function y=4sqrt(x)


Differentiate and factorise y = x^2(3x + 1)


Given that y=x/(2x+5) find dy/dx.


Given that y=(4x^2)lnx, find f"(x) when x=e^2