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What is the difference between secant and sine?

secant | sine |

As nouns the difference between secant and sine

is that secant is a straight line that intersects a curve at two or more points while sine is in a right triangle, the ratio of the length of the side opposite an angle to the length of the hypotenuse.

secant

English

Noun

(en noun)
  • (geometry) A straight line that intersects a curve at two or more points.
  • (trigonometry) In a right triangle, the reciprocal of the cosine of an angle. Symbol: sec

    • Related terms

    * cosecant * section * sector

    External links

    * *

    Anagrams

    * * * ----

    sine

    English

    (wikipedia sine)

    Noun

    (en noun)
  • (trigonometry, mathematics) In a right triangle, the ratio of the length of the side opposite an angle to the length of the hypotenuse.

    • Usage notes

    In various branches of mathematics, the sine of an angle is determined in various ways, including the following: * The y''-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=1}^\inftyx^{2n-1} = x - {1\over 6} x^3 + {1\over 120} x^5 - {1\over 5040} x^7 + ...

    where x is in radians.

    Synonyms

    * Symbol: sin

    Derived terms

    * arcsine * cosine * sine wave * sinusoid * sinusoidal

    See also

    * cosecant * cotangent * secant * tangent * trigonometry

    Anagrams

    * ----