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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...
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.
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...
Differences Between Rational and Irrational Numbers
HowStuffWorks via Yahoo News· 6 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...