Master Evaluating the half angle for sine, cosine, and tangent given an equation and constraint

This video demonstrates how to create interactive closed procedure exercises in Microsoft Word, allowing teachers to generate engaging activities for students to practice and enhance their understanding of key concepts. By utilizing...

Patricia Gándara is Research Professor and Co-Director of the Civil Rights Project at UCLA. She is also Chair of the Working Group on Education for the University of California-Mexico Initiative in which she is spearheading a...

MOT 1951: HARVARD UNIVERSITY CAMPUS: HA WS Students walking sidewalks in Harvard Yard & next to dormitories, MS Hollis Hall plaque, HA WS Clock on oldest building Massachusetts Hall (1720), Harvard Yard & statue of John Harvard,...

Fran Monaj tells us about becoming fluent in English starting from scratch at 25 years old.

Here are some mental training tips for baseball players who are waiting, anxiously, for their growth spurt to show up. Don't worry - you can get through it.

Dr. Detra Price-Dennis is an Associate Professor of Education in the Department of Mathematics, Science, and Technology at Teachers College, Columbia University, in the Communications, Media, Learning Technologies, and Design program....

High school students from Democracy Prep school in the South Bronx, New York, compete against young people across the US at a ‘speech’ competition at Yale University, a form of competitive acting. Last year’s champion, Stephen, is hoping...

The video game Firewatch helped high school senior Jack Kelley realize that the world is a surprising place. In the game, players become a character who is a fire lookout in the Wyoming wilderness. Kelley’s experience playing the video...

In this video series you will learn multiple math operations. I teach in front of a live classroom showing my students how to solve math problems step by step. My math tutorials should be used to review previous lessons, complete your...

Ever wonder what it's like to be part of a NASA team? Well, three student interns have been given the opportunity of a lifetime. They were asked to create a major component for the Balloon Experimental Twin Telescope for Infrared...

👉 Learn how to find all the zeros of a polynomial by grouping. A polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. The zeros of a polynomial are...

Master Evaluating Tangent using the Sum and Difference Formula

Robert Cotto, Jr. graduated from Dartmouth College with a degree in sociology and he has a Master’s degree in education from the Harvard Graduate School of Education and from Trinity College in American Studies. Before coming to...

Ashley Solis is a Mexican American teenager, farmworker and factory worker who dreams of being the first in her family to graduate from high school and go to college. Her mother is undocumented, and like many families with mixed...

From the archives: Michael Paine (Gaining Ground Farm) did not come from a farming background nor any prior agriculture experience when he decided to go into farming. Learning what tools to buy and how to actually go about growing food...

From Afghanistan to London, three boys build a new life playing cricket. Tucked away in suburban south London, matches take place every week for young and often traumatised asylum seekers. Many have fled war and have been separated from...

Awhile ago I was on a personal quest to find out about mead. Locally, I began to see tastings and classes pop-up. I knew it was an ancient beverage made from honey - but what did it really taste like? Was it as sugary sweet as drinking...

Electronics Arts' CEO Andrew Wilson discusses the future of gaming and where he's finding the next big hit at WSJ Tech Live in Laguna Beach.

Art teacher Olusegun Adeniyi, who teaches at Caleb British International School, Lagos, Nigeria, is not only renowned for bringing out the creative side of his fortunate students with two decades of nurturing new talent and creating...

Most people will tell you that engineering is definitely worth the hard work. I would agree with this but there are people who may not see it as "worth it" depending on their situation. This usually comes down to not truly wanting to go...

👉 Learn how to add and subtract mixed numbers. Mixed numbers are numbers with two parts: the whole number part and the fraction part. Mixed numbers are ways to represent improper fractions using proper fractions.To add or subtract mixed...

The high cost of college in California is prompting students to cross the Mexican border in search of affordable options. CETYS, a private university with campuses in three Mexican border towns, currently enrolls over 300 California...

FAIRFAX, VA - JANUARY 24: SHY AnnCatherine Heigl, who has Down syndrome, shocked her family when she came home one day saying she wanted to become a cheerleader. Known as ‘AC’, she had already exceeded expectations playing tennis at her...