Show:
Formulas
Coordinates
Radians
Coordinates
100
This trigonometry ratio uses the fraction adjacent over hypotenuse.
What is cosine(x)
100
sin 90 degrees
What is 1
100
The conversion from this radian measure to degrees is 180 degrees.
What is pi/6.
100

The sine of 210 degrees

-1/2


200
This equation is a way of finding the x-coordinate on a unit circle.
What is x=cos(theta)
200
sine of 150 degrees
What is 1/2 or .5
200
The conversion from this radian measure to degrees is 90 degrees.
What is pi/2.
200

The cosine of 5pi/3

1/2


300
This trigonometry ratio uses the fraction hypotenuse over opposite.
What is cosecant(theta)
300
DAILY DOUBLE
The cosine of 3*pi/2.
300
The conversion from this radian measure to degrees is 135 degrees.
What is 3*pi/4.
300

The tangent of 3pi/2.

Undefined

400
This equation gives us the y-coordinate on the unit circle.
What is y=sin(theta)
400
The sine of 4*pi/3.
What is - sqrt(3)/2
400
The conversion from this radian measure to degrees is 330 degrees.
What is 11*pi/6.
400

The tangent undefined in which angles?

pi/2 and 3pi/2

500
DAILY DOUBLE
This equation uses the terms of sine and cosine to find another trig. ratio.
500
sine of 7*pi/4.
What is -sqrt(2)/2
500
The conversion from this radian measure to degrees is 390 degrees.
What is 13*pi/6.
500

What is the tangent of 

-1