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High School Trigonometry

Word List with 34 words
*By Dictionary.com

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Words in This List

amplitude
noun
half the difference between the minimum and maximum values of range
angle of depression
noun
angle below horizontal
angle of elevation
noun
angle above horizontal
asymptotes
noun
line whose distance to a given curve tends to zero
bearing
noun
angle measured clockwise from the north direction
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circular functions
noun
six functions of sine, cosine, tangent, cosecant, secant, and cotangent
cofunction identities
noun
relationship between sine and cosine, tangent and cotangent, and secant and cosecant
cosecant
noun
ratio of the hypotenuse to the side opposite a given angle
cosine
noun
the sine of the complement of a given angle or arc
cotangent
noun
reciprocal of the tangent of a given angle or arc
coterminal
adjective
angles which share a terminal side
degree
noun
unit of angle measurement equal to a complete revolution
double angle identity
noun
identity indicating how to find the sine, cosine, or tangent of twice a given angle
half angle identity
noun
identity indicating how to find sine, cosine, or tangent of half a given angle
inverse cosecant function
noun
solved by asking which angle has cosecant equal to 2
inverse cotangent function
noun
solved by asking which angle has cotangent equal to 1
inverse secant function
noun
solved by asking which angle has secant equal to 2
inverse tangent function
noun
solved by asking which angle has tangent equal to 1
law of sines
noun
law relating the sines of interior angles of a triangle and corresponding opposite sides
odd even identities
noun
Trig identities which show whether each trig function is odd or even
periodic functions
noun
function which has a graph that repeats itself identically over and over
phase shift
noun
horizontal shift for a periodic function
product sum identities
noun
Trig identities showing how to rewrite products of sines and cosines as sums
pythagorean identities
noun
identities relating sine with cosine, tangent with secant, and cotangent with cosecant
quadrantal angle
noun
angle with terminal side on the x axis or y axis
radian
noun
unit for measure for angles
reciprocal identities
noun
Trig identities defining cosecant, secant, and cotangent in terms of sine, cosine, and tangent
secant
noun
line intersecting a curve at two or more points
second
adjective
unit of angle measurement equal to a minute
sector of a circle
noun
part of the interior of a circle bounded by two radii and an arc
standard position angle
noun
drawn on the x y plane starting on the positive x axis, turning counterclockwise
tangent
noun
line perpendicular to radius of circle at one end of an arc, extending from this point to the radius
terminal side
noun
ray where the measurement of an angle stops
unit circle
noun
has radius 1 which is centered at the origin on the xy plane

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Essential Latin Roots: Para-
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11 words

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Parts of Speech in English
by Dictionary.com
14 words

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