In this video I will cover how to evaluate the six trigonometric functions given a right triangle. We will find the missing ...

Evaluate the composition of trigonometric functions by creating a right triangle. In this video we will evaluate the tangent by given the ratio for cosine. To do this we will use right triangle and ...

Celebrate Pi Day and read all about how this number pops up across math and science on our special Pi Day page. Grab something circular, like a cup, measure the distance around the circle, and divide ...

Students actively engage in tasks that are doable and interesting—which frees up time for personalized instruction.

Divide any circle’s circumference by its diameter and you get pi. But what, exactly, are its digits? Measuring physical ...