Learn about the Pythagorean theorem. The Pythagoras theorem is a fundamental relation among the three sides of a right triangle. It is used to determine the missing length of a right triangle. The ...

In this video, I show you how to set up a word problem and solve it using the trigonometric ratio. In this case, we will find the height of a building using the tangent function. I make short, ...

It’s no secret that Oregon is home to some very big trees, but at least one of those trees is something of an open secret, hidden behind one of the Oregon coast’s biggest attractions. Visitors to the ...

My children are all grown up now but my wife and I still vividly remember the exquisite pleasure of introducing them, when they were little, to the same stories that had enthralled us 30-odd years ...