pythogoras
It has been known from very ancient times that the length of the diagonal of a unit square is not a rational number. There were no specific mathematicians who "discovered" real numbers. Furthermore, all mathematicians of any significance, contributed to our understanding of real numbers.
some of the most famous mathematicians is.... How am I supposed to know? Find it out your self!
euler
john graunt
Archimedes
Yes. There were mathematicians who were in geometry. In fact, anyone who contributed to our understanding of geometry was a mathematician.
Probably all mathematicians, from very ancient times.
Bolyai and Lobatschevsky
sir isaac newton
Probably several mathematicians have contributed. Cantor did a lot of the initial research on this topic.
The branch of mathematics called trigonometry studies the relationships of lengths and angles of triangles. Three mathematicians who contributed to the development of trigonometry are: Pythagoras, Joseph Fourier, Norman J. Wildberger.
alexander enid blyton kk sharma