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Trig Identities: A Crash Course in Complex Math Concepts
HowStuffWorks via Yahoo News· 4 weeks 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.
How to Use the Mnemonic 'SOHCAHTOA' in Trigonometry
HowStuffWorks via Yahoo News· 1 day agoThe mnemonic device SOHCAHTOA helps budding mathematicians remember the trigonometric functions sine (sin), cosine (cos) and tangent (tan), which they...