reciprocal

Governing bodies usually have reciprocal arrangements for the home board to pick up the logistical expenses of the visiting team, including things like travel and accommodation.

From BBC ● Oct. 5, 2026

Ethiopia also expelled an Egyptian diplomat without explanation, prompting a reciprocal move by Cairo.

From Barron's ● Oct. 2, 2026

The U.S. and China said they agreed to a $30 billion reciprocal tariff reduction and to launch a bilateral dialogue on AI, the Journal’s Katrina Northrop reports.

From The Wall Street Journal ● Sep. 28, 2026

It was a rare reciprocal relationship in an interaction otherwise distorted by fame—we loved her because she was Gloria Steinem, and she loved us because we were bright-eyed young women.

From Slate ● Sep. 3, 2026

There is no wholeness outside of our reciprocal humanity.

From "Just Mercy" by Bryan Stevenson

So, if and are negative reciprocals of one another, they can be multiplied together to yield –1.

From Textbooks ● Dec. 1, 2021

Then find their reciprocals to determine the other functions.

From Textbooks ● Feb. 13, 2015

We can graph by observing the graph of the sine function because these two functions are reciprocals of one another.

From Textbooks ● Feb. 13, 2015

The next set of fundamental identities is the set of reciprocal identities, which, as their name implies, relate trigonometric functions that are reciprocals of each other.

From Textbooks ● Feb. 13, 2015

Some modifications of the machine already described will enable it to integrate squares, cubes, or products of functions, or the reciprocals of any of these.

From Scientific American Supplement, No. 288, July 9, 1881 by Various