hello welcome back the title of this lesson is called trigonometric functions of any angle this is part one we have several parts here because it's one of the most important lessons we can learn that ...

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 ...

OK, so hold on, Will. Before we totally wrap up this week's puzzle, we need to admit to a bit of a mistake that we made in one of our answers last week. I think you know what I'm talking about. WILL ...

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.