# Study sets matching "trigonometry"

radian

degrees

unit circle

initial side

the measure of a central angle subtending an arc equal in leng…

a unit of measure marked off on a scale of a measuring instrum…

a circle whose radius has a length of one unit

a stationary straight line that contains a point about which a…

radian

the measure of a central angle subtending an arc equal in leng…

degrees

a unit of measure marked off on a scale of a measuring instrum…

Pythagorean theorem

45 45 90 triangle

30 60 90 triangle

Trigonometry

a^2 + b^2 = c^2

the hypotenuse is equal to the leg times the square root of 2

the hypotenuse is twice the length of the shorter leg, the len…

sin = opp/hyp, cos = adj/hyp, tan = opp/adj

Pythagorean theorem

a^2 + b^2 = c^2

45 45 90 triangle

the hypotenuse is equal to the leg times the square root of 2

The Pythagorean Theorem can only be use…

Triangles that are non-right are called…

A ________ is a comparison of two values

__________ is the trigonometric ratio t…

right

oblique

ratio

Tangent

The Pythagorean Theorem can only be use…

right

Triangles that are non-right are called…

oblique

Trigonometric Angle

Positive angle

Negative angle

Initial side

vertex on origin, one side on positive x-axis, positive or neg…

An angle that goes in a counter-clockwise motion around the un…

An angle that goes in a clockwise motion around the unit circl…

The positive x-axis where the measure of the angle begins.

Trigonometric Angle

vertex on origin, one side on positive x-axis, positive or neg…

Positive angle

An angle that goes in a counter-clockwise motion around the un…

Trigonometry

Sine (sin)

Limits of sine function

Ɵ

A branch of mathematics that studies measurements of triangles…

Length of opposite side/length of hypotenuse

As Ɵ approaches 90 degrees, sine Ɵ approaches 1... As Ɵ approache…

Theta

Trigonometry

A branch of mathematics that studies measurements of triangles…

Sine (sin)

Length of opposite side/length of hypotenuse

astronomy

Greeks

Aristotle

Eratosthenes

science that studies the universe; deals with the properties o…

developed the basics of geometry and trigonometry

man who concluded that Earth is round

first successful attempt to establish the size of the Earth is…

astronomy

science that studies the universe; deals with the properties o…

Greeks

developed the basics of geometry and trigonometry

Square and cube numbers

Bodmas

Prime Numbers

LCM (lowest common multiple)

square numbers multiply a number by itself.... Cube numbers multi…

Brackets,Other,Division, Multiplication,Addition and Subtracti…

2 is the only even prime number.... prime numbers include: 3,5,7,…

The smallest number that will divide by all the numbers in the…

Square and cube numbers

square numbers multiply a number by itself.... Cube numbers multi…

Bodmas

Brackets,Other,Division, Multiplication,Addition and Subtracti…

Radian

Degrees

Unit Circle

Initial Side

a unit of angle equal to an angle at the center of a circle wh…

a unit of measurement of angles

Used to understand sines and cosines of angles found in right…

where the angle starts, usually on the x axis

Radian

a unit of angle equal to an angle at the center of a circle wh…

Degrees

a unit of measurement of angles

Gene

15 years

he was remembering himself in high scho…

1st person

who is the narrator in this story?

how long has the narrator been out of school?

why is this story said to be narrated in flashback

what person narration is this?

Gene

who is the narrator in this story?

15 years

how long has the narrator been out of school?