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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.

8 Exponent Rules You Need to Know for Your Next Math Test

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When you're dealing with exponents, numbers can get very big (or very small) very quickly. Therefore, it's helpful to have some short cuts.

Integers, Integer Properties and the Role of Zero

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Integers are natural numbers (or whole numbers) that stem from the Latin word meaning "intact." In other words, any two integers will be rational numbers. A rational number is a value without fractional part or decimal remainders.

Is Sacred Geometry Related to Science or Is It Simply Beautiful?

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Sacred geometry, a term that immediately evokes curiosity, refers to geometric forms and patterns that appear throughout nature, art and architecture.

8 Native American Scientists You Should Know

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From astronauts to doctors to an archaeologist, we present eight scientists whose contributions to science, engineering and math were inseparable from their identities as Indigenous Americans.

How Facial Recognition Technology Works

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Humans have always had the innate ability to recognize and distinguish faces, but computers only recently have shown the same ability. Learn how facial recognition systems work.

How Calculators Work

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Calculators may show up anywhere in our lives that numbers do -- from calculus class to restaurants. See how calculators work.

How Building Implosions Work

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Safe, professional building implosions combine mathematics, intuition and sheer explosive power. Find out how the experts bring down huge structures without damaging the buildings nearby.

Why Data Encryption Remains a Really Complex Issue

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Is there a way to have encrypted devices and grant law enforcement access? HowStuffWorks explores the complicated issue.

10 Games That Take Minutes to Learn and a Lifetime to Master

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10 games that take minutes to learn and a lifetime to master are explained in this article. Check out HowStuffWorks.com to learn more about the 10 games that take minutes to learn and a lifetime to master.

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