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    • How to Use the Mnemonic 'SOHCAHTOA' in Trigonometry

      How to Use the Mnemonic 'SOHCAHTOA' in Trigonometry

      HowStuffWorks via Yahoo Style Singapore· 1 month ago

      The 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 Singapore· 2 months ago

      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.

    • Differences Between Rational and Irrational Numbers

      Differences Between Rational and Irrational Numbers

      HowStuffWorks via Yahoo News Singapore· 6 months ago

      If 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...