Vocabulary- First Semester Flashcards
Opposite/ Hypotenuse
Sine
Height of a curve
Amplitude
Opposite/ Hypotenuse
Cosine
Opposite/ Adjacent
Tangent
Adjacent/ Opposite
Cotangent
Hypotenuse/ Adjacent
Secant
Hypotenuse/ Opposite
Cosecant
2•Pi/ |B|
Period
Triangle with a 90° angle
Right triangle
Bx+C=0
Phase shift
Longest side of a triangle
Hypotenuse
Angles that add up to 180
Supplementary angles
Shorter two sides of a triangle
Legs
Angles that equal 90°
Complimentary angles
Round thing in math
Circle
the branch of mathematics dealing with the relations of the sides and angles of triangles and with the relevant functions of any angles
Trigonometry
the angle made when the radius of a circle represents an arc on its perimeter
Radian
Point in the middle
Midpoint
Four parts of a coordinated plane
Quadrants
X
Domain
Y
Range
a relationship or expression involving one or more variables.
Function
a2 + b2 = c2
Pythagorean theorem
Acute angle that is closest to the X axis
Reference angle
Side connected to the angle lying on the X axis
Terminal side
Side of the angle on the X axis
Initial side
Each point of an angle
Vertex
Chart used for sine and cosine
Unit circle
Angles in standard position
Coterminal angle
An operation that maps or moves the points of a figure in a plane.
Transformation
a collection of ordered pairs containing one object from each set.
Relation
Steepness of a line
Slope
Substituting each other’s Xs in problems
Composition
Invisible line running down a graph
Asymptote
Opposite of radians in a calculator
Degree
