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How to Use the Mnemonic 'SOHCAHTOA' in Trigonometry
HowStuffWorks via Yahoo News· 1 month agoThe mnemonic device SOHCAHTOA helps budding mathematicians remember the trigonometric functions sine (sin), cosine (cos) and tangent (tan), which they...
Differences Between Rational and Irrational Numbers
HowStuffWorks via Yahoo News· 7 months agoIf a number is a ratio of two integers (e.g., 1 over 10, -5 over 23, 1,543 over 10, etc.) then it is a rational number. Irrational numbers, when written...
How to Use the Unit Circle in Trigonometry
HowStuffWorks via Yahoo News· 8 months agoThe unit circle defines trigonometric functions in right triangle relationships, specifically known as sine, cosine, and tangent. © HowStuffWorks 2021...
Off the Grid: Sally breaks down USA TODAY's daily crossword puzzle, Noodle Around
USA TODAY via Yahoo News· 3 months agoThere are spoilers ahead. You might want to solve today's puzzle before reading further! Noodle...
Trig Identities: A Crash Course in Complex Math Concepts
HowStuffWorks via Yahoo News· 2 months agoFundamental trigonometric identities, aka trig identities or trigo identities, are equations involving trigonometric functions that hold true for any value you substitute into their variables.