KNOW OUR NATION (its purely about INDIA)

MADHAVACHARYA DISCOVERED TAYLOR SERIES OF SINE AND COSINE FUNCTIONS ABOUT 250 YEARS BEFORE TAYLOR.HE DISCOVERED NEWTON POWER SERIES,GREGORY LEIBNITZ SERIES FOR INVERSE TANGENT ABOUT 280 YEARS BEFORE GREGORY. HE DISCOVERED LEIBNITZ POWER SERIES FOR 'PI' ABOUT 300 YEARS BEFORE LEIBNITZ.