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Trig Identities: A Crash Course in Complex Math Concepts
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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.
5 Trailblazing Female Mathematicians
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Can you name even one female mathematician? Don't worry if you can't. That just means you need to read our article on five famous female mathematicians to up your cred.
How Math Works
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A world without math is unimaginable. It's a part of who we are. It's the analytical juice of our left brain. In the words of physicist Richard Feynman, even a fool can use it. So why do so many of us turn our backs on numbers?
How Tangrams Work
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Tangram puzzles are made up of geometric pieces placed to create different shapes. Learn how Tangram puzzles work at HowStuffWorks.
Differences Between Rational and Irrational Numbers
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Rational numbers can be expressed as the ratio of two integers, while irrational numbers, such as square roots of non-square numbers, cannot.
How Tessellations Work
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Mathematics achieves the sublime. Sometimes, as with tessellations, it rises to art. In their simplest form, tessellations consist of a single shape that repeats over a two-dimensional plane without any gaps. Why was M.C. Escher so fixated on them?
How Numerology Works
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Numerology says everything in the world is dependent upon the mystical properties of numbers. But critics aren't so sure.
How Juggling Works
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Juggling involves the repeated tossing and catching of three or more objects. Find out how juggling works and learn how to juggle multiple objects.