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Pre-Calc Chapter 1 Test
For Mrs. Williams B-1 Pre-Calc
14
Mathematics
12th Grade
10/02/2012
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Term
Radian
 Definition
The measure of teh central angle when its interpreted arc is equal to the radii
Term
Inital Side
 Definition
side that doesn't move
Term
Terminal Side
 Definition
Side where angle stops rotating
Term
Unit Circle
 Definition
A circle wiht a radius or one unit
Term
Standard Position
 Definition
Intital side on positive X axis and vertex at the center
Term
Coterminal Angles
 Definition
Angles where their terminal sides are in the same spot
Term
Sine
 Definition

y

1 
Term
Cosine
 Definition

x

1

 
Term
Tangent
 Definition

cosΘ

sinΘ

 
Term
Cosecant
 Definition

1

sinΘ

 
Term
Secant
 Definition

1

cosΘ

 
Term
Cotangent
 Definition

cosΘ

sinΘ

 
Term
Reference Angle
 Definition
An angle less than 90° or π/2 whose terminal angle is the same, or whose ratio is the same
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