trigonometric

Example Sentences

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If verified, Johnson and Jackson’s proof would contradict mathematician and educator Elisha Loomis, who stated in his 1927 book The Pythagorean Proposition that no trigonometric proof of the Pythagorean theorem could be correct.

From Scientific American • Apr. 10, 2023

So what exactly is a trigonometric proof of the Pythagorean theorem, and why was Loomis so closed off to the idea?

From Scientific American • Apr. 10, 2023

Over time, Bogomolny added more trigonometric proofs to the site: one such proof could be written in just four lines.

From Scientific American • Apr. 10, 2023

The even-odd identities relate the value of a trigonometric function at a given angle to the value of the function at the opposite angle and determine whether the identity is odd or even.

From Textbooks • Dec. 1, 2021

“That last trigonometric function wasn’t as easy as it looked.”

From "Saints and Misfits" by S.K. Ali