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Trig Identities: A Crash Course in Complex Math Concepts
science.howstuffworks.com/math-concepts/trig-identities.htm
Fundamental trigonometric identities, aka trig identities or trigo identities, are equations involving trigonometric functions that hold true for any value you substitute into their variables.
How to Play Eleusis
entertainment.howstuffworks.com/how-to-play-eleusis.htm
Eleusis was developed over four decades ago by Robert Abbott. Several versions exist, but this is the most inviting. Learn how to play.
Mathematician Cracks the 33 Problem
science.howstuffworks.com/math-concepts/mathematician-has-just-cracked-33-problem.htm
Mathematician Andrew Booker has found the three cubes that add up to the number 33, a long-unsolved math problem.
Can You Name the Thriller From a Single Sentence Summary?
play.howstuffworks.com/quiz/can-you-name-the-thriller-from-a-single-sentence-summary
Can't get enough of mind-bending plot twists and exhilarating chase scenes? You're definitely gonna ace this quiz! It sums up some of the most thrilling films in just one sentence - can you name them all?
We've Got Your Numbers Quiz
science.howstuffworks.com/math-concepts/numbers-quiz.htm
Whether you're a math whiz or not, there are some pretty cool number theories, beliefs and coincidences to appreciate. How down with digits are you?
Top 5 Survival Tips for Winning the Lottery
money.howstuffworks.com/personal-finance/budgeting/5-lottery-survival-tips.htm
These top 5 survival tips for winning the lottery will help you manage your finances if you ever beat the odds. Learn how to survive winning the lottery.
Are There Any Trillionaires? Not Yet, But We'll See One Soon
money.howstuffworks.com/are-there-any-trillionaires.htm
A trillion dollars is a phenomenal sum of money, equivalent to 1,000 billion dollars. It's a figure so large it's almost unthinkable, yet we find ourselves wondering: Are there any trillionaires? According to Oxfam International, the world's first trillionaire is predicted to emerge within the next decade.
How Absolute Value Works in Equations and Graphs
science.howstuffworks.com/math-concepts/absolute-value.htm
Absolute value is a mathematical concept often used in conjunction with a number line or graph to represent the relative value from zero (modulus). To illustrate this idea in a different way, the absolute value of a number can be closely related to distance in the physical world.
Which of the 12 Personality Archetypes Are You?
play.howstuffworks.com/quiz/which-of-the-12-personality-archetypes-are-you
You're as unique as they come, but psychology says you share some traits with a certain type. Which one of the archetypes sums you up the best? Let's take a walk through your mind, and we'll let you know where you fall on Jung's scale.
What's the Hardest Math Problem in the World? Try These 9
science.howstuffworks.com/math-concepts/hardest-math-problem-in-the-world.htm
Mathematics is filled with complex challenges, but the hardest math problem in the world isn’t just a difficult question on a school test: It’s one that defies centuries of logic, calculation, and creativity.