I’m in a season of life when more of my former teachers are passing away, each loss reminding me how early mentors helped lead me to the right place. All of this came to mind recently with the news ...

Trigonometric identities are powerful tools for simplifying complex equations in math and science. Three core groups—reciprocal, quotient, and Pythagorean—form the foundation. Effective strategies ...

In circular functions like sine and cosine, equations can have multiple solutions within a specific interval. If all possible values are considered, these functions can have infinitely many solutions.

In 2022, two high school students created a trigonometric proof of the Pythagorean Theorem—something that’s only ever been accomplished by a few professional mathematicians. Now, a new article not ...

For well over 50 years, Progressive Insurance has acted like an upstart in the largely staid world of insurance. But it’s not easy for an organization that now has over 60,000 employees to stay at the ...