secant
Line crossing curve
A secant is a straight line that intersects a curve at two or more points—distinguished from a tangent, which touches at only one.
In trigonometry, the secant of an angle is the reciprocal of its cosine: The secant of 60 degrees is 2.
The abbreviation is sec.
Ratio in triangle math
- sineOpposite over hypotenuse
- tangentLine touching curve once
- cosecantReciprocal of sine
- cotangentTangent reciprocal function
reciprocal · hypotenuse · adjacent · opposite · ratio · identity · inverse · arc
Posture or orientation
- triangulationLocation via three points
- surveyingMeasuring and charting terrain
- azimuthHorizontal directional angle
- celestialOf the sky above
altitude · position · fix · chart · distance · angle · measurement · sighting
Notes sounded simultaneously
- tangentLine touching curve once
- circleCurved closed shape
- arcCurved line segment
- radiusCenter-to-perimeter distance
diameter · curve · ellipse · parabola · hyperbola · conic · perpendicular · point
Function's rate of change
- limitMaximum allowed extent
- slopeAngled terrain or steepness
- curveSmooth, angleless line
- asymptoteUnreached bounding curve
continuity · differentiation · inflection · integral · function · graph · coordinate · axis
Repeated procedural pass
- approximationNear but inexact value
- convergenceProcess of approaching sameness
- algorithmFinite problem-solving procedure
- numericalRelating to figures
Newton · bisection · estimate · computation · successive
cosine
Ratio in triangle math
cotangent · reciprocal · hypotenuse · adjacent · opposite · ratio · identity · inverse · arc · radians
bearing
Posture or orientation
- triangulationLocation via three points
- surveyingMeasuring and charting terrain
- azimuthHorizontal directional angle
celestial · altitude · position · fix · chart · distance · angle · measurement · sighting
chord
Notes sounded simultaneously
radius · diameter · curve · ellipse · parabola · hyperbola · conic · perpendicular · point · plane
derivative
Function's rate of change
asymptote · continuity · differentiation · inflection · integral · function · graph · coordinate · axis · rate
iteration
Repeated procedural pass
- approximationNear but inexact value
- convergenceProcess of approaching sameness
- algorithmFinite problem-solving procedure
numerical · Newton · bisection · estimate · computation · successive
- geometry termscircle, line, rectangle, side, square
- circlesfull circle, circle, radius, circumference, pie chart
- curvescurve, arc, curves, curls, curl
- linesstraight line, line, dotted line, dashed line, solid line
- trigonometrysine, cosine, tangent, cosecant, cotangent
- mathematical functionssine function, exponential function, logarithm, trigonometric functions, linear functions