Current location - Training Enrollment Network - Mathematics courses - Taylor formula, super simple, is actually the Taylor formula of Changyu version, which seems to be different from the online version. His version of Taylor's formula, right?
Taylor formula, super simple, is actually the Taylor formula of Changyu version, which seems to be different from the online version. His version of Taylor's formula, right?
cosx= 1-x^2/2! +x^4/4! +~+(- 1)^kx^2k/(2k)! +o(x(2k+ 1)) is correct, except that it is truncated from order 4 or above. (that is, order 4 or above is high-order infinitesimal).

Brook Taylor, an English mathematician,1one of the most outstanding representatives of the English Newton School in the early 8th century, 1685 was born in Edmonton, middlesex.

After 1709, he moved to London and obtained a master's degree in law. He was elected on 17 12? He is a member of the Royal Society, and received a doctorate in law two years later. In the same year (i.e. 17 14), he became the secretary of the royal society, and resigned for health reasons four years later. 17 17 He solved the numerical equation with Taylor theorem. He died in London on February 29th. 173 165438.