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Cosine vs Sohcahtoa - What's the difference?

cosine | sohcahtoa | abbreviation |

Sohcahtoa is a abbreviation of cosine.



In trigonometry terms the difference between cosine and sohcahtoa

is that cosine is in a right triangle, the ratio of the length of the side adjacent to an acute angle to the length of the hypotenuse. Symbol: cos while sohcahtoa is sine: opposite over hypotenuse, cosine: adjacent over hypotenuse, tangent: opposite over adjacent.

In mathematics terms the difference between cosine and sohcahtoa

is that cosine is the sum of the real or complex power series while sohcahtoa is sine equals opposite over hypotenuse; cosine equals adjacent over hypotenuse; tangent equals opposite over adjacent (a mnemonic for the ratios in trigonometry).

As a noun cosine

is in a right triangle, the ratio of the length of the side adjacent to an acute angle to the length of the hypotenuse. Symbol: cos.

As an abbreviation sohcahtoa is

sine equals opposite over hypotenuse; cosine equals adjacent over hypotenuse; tangent equals opposite over adjacent (a mnemonic for the ratios in trigonometry).

As an acronym SOHCAHTOA is

sine: opposite over hypotenuse, cosine: adjacent over hypotenuse, tangent: opposite over adjacent.

cosine

English

(wikipedia cosine)

Noun

(en noun)
  • (trigonometry) In a right triangle, the ratio of the length of the side adjacent to an acute angle to the length of the hypotenuse. Symbol: cos

    • Usage notes

    In various branches of mathematics, the cosine of an angle is determined in various ways, including the following: * The x''-coordinate]] of the point on the unit circle at the given anticlockwise angle from the [[x-axis, ''x -axis. * The sum of the real or complex power series

         \sum_{n=0}^\infty \frac{(-1)^n x^{2n}}{(2n)!} = 1 - {x^2 \over 2} + {x^4 \over 24} - {x^6 \over 720} + {x^8 \over 40320} - \cdots

    where x is in radians.

    Related terms

    * arccosine * sine

    See also

    * power series * secant * tangent * trigonometry

    Anagrams

    * * ----

    sohcahtoa

    English

    Abbreviation

    (Abbreviation) (en-abbr) (wikipedia sohcahtoa)
  • (mathematics) Sine equals opposite over hypotenuse; cosine equals adjacent over hypotenuse; tangent equals opposite over adjacent (a mnemonic for the ratios in trigonometry).