Shared Flashcard Set

Details

Trigonometry
See title
23
Mathematics
11th Grade
05/14/2014

Additional Mathematics Flashcards

 


 

Cards

Term
Hypotenuse of a 30-60-90 Triangle
Definition
1/2x
Term
Short Side of a 30-60-90 Triangle
Definition
y/x
Term
Long side of a 30-60-90 triangle
Definition
x/x√3
Term
Finding Coterminals
Definition

You can add or subtract multiples of 2pi to radians 

 

Ex. 3pi+2pi=(3/4 + 2)= 11pi/4

Term
Reference Angles
Definition
Always positive acute angles that refer back to the x-axis.
Term
Hypotenuse of a 45-45-90 Triangle
Definition
1/x√2
Term
Side of a 45-45-90 Triangle
Definition
x/x
Term
What is the reference angle of 110 degrees?
Definition
70 degrees
Term
What is the reference angle of -110 degrees?
Definition
70 degrees
Term
What is the reference angle of 2pi/3?
Definition
60 degrees or pi/3
Term
Sin
Definition
The Y-Coordinate
Term
Cos
Definition
The X-Coordinate
Term
Tan
Definition
y/x
Term
What is the tan of 7pi/6?
Definition
(-1/2)/(-√3/2)=(1/2)*(2/√3)=(1/√3)*(2/√3)=(1/√3)*(√3/√3)=(√3/3)
Term
CSC
Definition
Flip the Y-Coordinate
Term
SEC
Definition
Flip the X-Coordinate
Term
COT
Definition
X/Y
Term
How do you find the radian if you are given the degree?
Definition
degree(pi)/180
Term
How do you find the degree if you are given the radian?
Definition
radian/(pi/180)
Term
Positive Sine Function
Definition
Zero-Max-Zero-Min-Zero
Term
Negative Sine Function
Definition
Zero-Min-Zero-Max-Zero
Term
Positive Cosine Function
Definition
Max-Zero-Min-Zero-Max
Term
Negative Cosine Function
Definition
Min-Zero-Max-Zero-Min
Supporting users have an ad free experience!