Some Old Hippie Caught Another Hippie Tripping On Acid

短语

释义与例句

phr.
  1. 1.

    A mnemonic used to help people remember the different trigonometric functions: sine is opposite over hypotenuse; cosine is adjacent over hypotenuse; and tangent is opposite over adjacent.

    幽默 数学

词源

From each word's initial letter forming SOHCAHTOA.

来源：wiktionary