Formulas
Coordinates
Reference Angle
Radians
Unit Circle
100
This trigonometry ratio uses the fraction adjacent over hypotenuse.
What is cosine(x)
100
sin 90 degrees
What is 1
100
The angle corresponding to this reference angle is 150 degrees.
What is 30 degrees.
100
The conversion from this radian measure to degrees is 180 degrees.
What is pi/6.
100

The unit circle has a radius of what length?

What is 1?

200

This equation is a way of finding the missing side of a triangle given two side lengths.

What is the Pythagorean theorem

200
sine of 150 degrees
What is 1/2 or .5
200
The angle corresponding to this reference angle is 45 degrees.
What is 45 degrees
200
The conversion from this radian measure to degrees is 90 degrees.
What is pi/2.
200

True or False, Quadrant I is all positive values?

What is TRUE?

300

This trigonometry ratio uses the fraction opposite over hypotenuse.

What is sine(theta)

300
DAILY DOUBLE
The cosine of 3*pi/2.
300
The angle corresponding to this reference angle is 240 degrees.
What is 60 degrees
300
The conversion from this radian measure to degrees is 135 degrees.
What is 3*pi/4.
300

Which trig function has negative values in Quadrant IV?

What is sine?

400

How do we convert degrees to radians?

multiple by pi/180

400
The sine of 4*pi/3.
What is - sqrt(3)/2
400
The angle corresponding to this reference angle is 2*pi/3.
What is 60 degrees ( or pi/3).
400
The conversion from this radian measure to degrees is 330 degrees.
What is 11*pi/6.
400

Out of Sine and cosine, which one represents the x-value?

What is cosine?

500

DAILY DOUBLE

Using x and y or sine and cosine how is tangent represented?

500
sine of 7*pi/4.
What is -sqrt(2)/2
500
The angle corresponding to this reference angle is 7*pi/4.
What is 45 degrees (or pi/4).
500
The conversion from this radian measure to degrees is 390 degrees.
What is 13*pi/6.
500

Which trig function has positive values in Quadrant III?

What is tangent?

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