What is the opposite and reciprocal of 2pi?
February 20th, 2023
opposite of any number is the same number but with opposite sign
∴opposite of ##color(blue)(2pi## is ##color(blue)(−2pi##
to generalise, the reciprocal of number ##color(orange)(x##(any number) is ##color(orange)(1/x##
here note that the sign of the number does not change at all .
so,
the reciprocal of ##color(red)(2pi## is ##color(red)(1/(2pi)##