Most trigonometry students look at triangles on a flat surface. However, people from ancient astronomers to modern navigators calculated the arc lengths and angles of triangles on a sphere. They used ...

Calcea Johnson and Ne'Kiya Jackson have added four further novel proofs of the theorem that had also not been published ...

label the sides on the triangle decide which ratio to use (SOH CAH TOA) substitute the correct information into the ratio rearrange to find '\(x\)' solve using your calculator making sure your ...

The three sides of a right-angled triangle have specific names. The hypotenuse (\(h\)) is the longest side. It is opposite the right angle. The opposite side (\(o\)) is opposite the angle in ...

Two students who discovered a seemingly impossible proof to the Pythagorean theorem in 2022 have wowed the math community ...

They would give him algebra books and he would give them back and say, "Well, I can do that." And they would give him a trigonometry book and he would hand it back and say, "I can do that too." ...

Martha Wiley, of Mt. Pleasant, loves teaching — with over 30 years of teaching advanced math, physics, calculus, statistics, ...

By Wilson Wong In his latest book, the Rolling Stone writer David Browne tracks three decades of folk, blues, rock and jazz below 14th Street. By Peter Keepnews A Poem About Waiting, and Wishing ...

Two teenagers found ten new proofs of the Pythagorean theorem using trigonometry, debunking a century-old belief.

The latest from the chronicler of urban grit known for “Lush Life” and “Clockers” — as well as writing on “The Wire” TV series — is set in 2008 in East Harlem, where a five-story ...

“Us Fools,” by Nora Lange, is a tale of two sisters living through the diseased expanse of the country’s recent history. By Eleanor Henderson Suggested reading from critics and editors at ...

They’re like “nature’s sudoku”, says the book. For instance, trigonometry can help you figure out exactly how high a balloon ...