Unit Circle Flashcards
1
Q
What is the (x,y) value of π/3?
A
x: 1/2 y: (√3)/2
2
Q
What is the (x,y) value of π/2?
A
x: 0 y: 1
3
Q
What is the (x,y) value of 2π/3?
A
x: -1/2 y: (√3)/2
4
Q
What is the (x,y) value of 5π/6?
A
x: -(√3)/2 y: 1/2
5
Q
What is the (x,y) value of π?
A
x: -1 y: 0
6
Q
What is the (x,y) value of 7π/6?
A
x: -(√3)/2 y: -1/2
7
Q
What is the (x,y) value of 4π/3?
A
x: -1/2 y: -(√3)/2
8
Q
What is the (x,y) value of 3π/2?
A
x: 0 y: -1
9
Q
What is the (x,y) value of 5π/3?
A
x: 1/2 y: -(√3)/2
10
Q
What is the (x,y) value of 11π/6?
A
x: (√3)/2 y: -1/2
11
Q
What is the (x,y) value of 0?
A
x: 1 y: 0
12
Q
What is the (x,y) value of π/6?
A
x: (√3)/2 y: 1/2
13
Q
sin t = ?
A
y
14
Q
cos t = ?
A
x
15
Q
tan t = ?
A
y/x
