You’re standing at the edge of a cliff, phone in hand, trying to measure the distance to the opposite side – no tape measure, no drone, just your brain. Now what? Trigonometry just became your ...

"Who is the person that discovered trigonometry?" asked a young Schaumburg Township District Library patron who attended the "Summer Scientists" program. Wanting to determine distances between stars, ...

This clay tablet written around the year 1800 B.C.E. may represent the oldest known use of trigonometry UNSW / Andrew Kelly A new analysis of a long-studied Babylonian tablet suggests that ...

The sides of right-angled triangles are labelled opposite, hypotenuse and adjacent. Trigonometry explores the relationship between sides and angles in right-angled triangles. The hypotenuse is the ...

A 0 = initial corneal astigmatism (in D), α 0 = initial angle of cornea steepest meridian. The evolution and perfecting of cataract surgery technique poses an increasing relevance on refractive ...

If you or your kids are preparing for an advanced math or science course, you’re going to need a graphing calculator. These handy machines can process complex calculations (and simple ones), including ...