Unit Circle
Unit Circle
Drag the parts of a triangle into the correct location 
to set up the trig ratio. 
sin(θ)=
hypotenuse
?
opposite
?
Not used in trig function
adjacent
?
Drag the parts of a triangle into the correct location 
to set up the trig ratio. 
cos(θ)=
hypotenuse
?
adjacent
?
Not used in trig function
opposite
?
Drag the parts of a triangle into the correct location 
to set up the trig ratio. 
tan(θ)=
adjacent
?
opposite
?
Not used in trig function
hypotenuse
?
Drag the parts of a triangle into the correct location 
to set up the trig ratio. 
tan(θ)=
cosθ
?
sinθ
?
Match the radian measure to the correct position around the unit circle. 
Drag and drop your answers onto the Circle
7π/6
?
5π/6
?
π
?
5π/4
?
3π/4
?
4π/3
?
2π/3
?
3π/2
?
π/2
?
5π/3
?
π/3
?
7π/4
?
π/4
?
11π/6
?
π/6
?
?
?
Match the coordinate point to the correct position around the unit circle. 
Drag and drop your answers onto the Circle
(0, 1)
?
(1/2, √3/2)
?
(√2/2, √2/2)
?
(√3/2, 1/2)
?
(1, 0)
?
What is the value of cos(5π/3)?
What is the value of tan(3π/4)?
What is the value of sin(π/3)?
√3/2
?
1/2
?
-1
?
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