Thanks man. that equation helped. its not on the formula sheet of the past papers so ill have to memorise that for tommorows test.
EDIT: Yah, and i figured out a way to do the second one too.
Thanks
Hi, i think this is the place for this type of questions? If not, please move it.
I need help with these type of questions, i am not being able to do them.
Theyre from Edexcel Pure mathematics C1 and C2.
Thanks in advance.
Homework Statement
AB is a chord of a circle where A is at...