👉 Learn the basics of co-terminal angles. An angle is a figure formed by two rays that have a common endpoint. The two rays are called the sides of the angle while the common endpoint is called the vertex of the angle. We measure angles...

👉 Learn how to evaluate trigonometric functions of a given angle. Given an angle greater than 2pi in radians, to evaluate the trigonometric functions of the given angle, we first determine the smallest positive coterminal angle of the...

👉 Learn how to evaluate trigonometric functions of a given angle. Given an angle greater than 2pi in radians, to evaluate the trigonometric functions of the given angle, we first determine the smallest positive coterminal angle of the...

Master Graphing Sine given a change in Period

The 1791-1794 Whiskey Rebellion broken down and explained for students, life long learners and the cray cray on the internet. I apologize for calling General John Neville, George a few times during the lecture. Although most historians...

Galileo Galilei is known as the “father of modern science.” Fascinated by gravity, motion, and the movement of heavenly bodies, Galileo’s work influences how we understand our own world and the solar system. His contributions include...

In this video, we learn about the rotation and revolution of Earth. We discover that Earth is constantly rotating on its axis while also revolving. We also explore the concept of leap years.



This video is part of the 8-part...

In this video, Jabzy brings us historical tidbits and unknown facts about the Kapp Putsch

People were debating on how fast the ball was really spinning, and I had to find out for myself so I grabbed my camera that can shoot up to 1000fps. The original poster estimated the speed at 10,000 rpm, but the ball was really spinning...

Master evaluating trigonometric functions using period as an aide

Alan Kapuler is a well-educated man, both in a formal academic sense, and also from a lifetime of hands-on work as an organic plant breeder: planting, breeding, and cataloging his vast collection of open pollinated seeds.

Bionic technology is removing physical barriers faced by disabled people while raising profound questions of what it is to be human. From DIY prosthetics realised through 3D printing technology to customised AI-driven limbs, science is...

To date at least 20 British nationals, some with no previous experience of combat, have travelled to Syria to fight Isis on the frontline. Eight of these Brits have lost their lives. This film follows the journeys of parents as they...

The Greek economist is back battling the EU establishment, this time at the helm of a new movement, DiEM25. Backed by Pamela Anderson and the world’s most famous cyborg, he is fighting ultra-right populism with a radical agenda he thinks...

In this video, Jabzy brings us historical tidbits and unknown facts about the Xinhai Revolution

In this video, Jabzy brings us historical tidbits and unknown facts about the July Revolution

In this video, Jabzy brings us historical tidbits and unknown facts about the German Revolution

How has collecting data on child development changed over the years? Andrew Meltzoff, Co-Director of the University of Washington’s Institute for Learning & Brain Sciences, answers your question in this edition of Ask a Scientist.

Since Earth completes one revolution around the sun in 1 year, it would make sense to think that after the completion of year, Earth would be exactly at the same spot where it was at the beginning of the year, wouldn't it? But is it...

Mercy Otis Warren was a poet, playwright and ‘whistleblower’ who used her words to throw some serious shade on British Colonial rule.

In this video, Jabzy brings us historical tidbits and unknown facts about the Division of Central Asia

This video explores five fun facts about George Washington.

There have been many consequences of the political upheaval of the Arab Spring movement in Egypt in 2011. One of them is the severe drop in tourism as a result of the violence. This has hurt the country's camels and horses that used to...

This live-action video program is about the word dictatorship. The program is designed to reinforce and support a student's comprehension and retention of the word dictatorship through use of video footage, photographs, diagrams and...