In this video I show you how to simplify trigonometric identities by adding fractions. I begin this lesson by reminding you ...

It’s an eternal question for generations of math students: How am I going to use this in the real world? At Bates, Meredith Greer answers that question with an entire course, “Mathematics Across the ...

In this lesson we will cover how to verify trigonometric identities. We will begin by reviewing simplifying trigonometric ...

Listeners contacted us to correct the answer to a clue from last week's puzzle, giving NPR's Ayesha Rascoe and Weekend Edition puzzlemaster Will Shortz a lesson in trigonometry. OK, so hold on, Will.