The Unit Circle Quiz Review

Conversions

100

Convert 120 degrees to radians

(2pi)/3 radians

200

Convert 60 degrees to radians

(pi)/3 radians

300

pi/6

 radians to degrees

30°

400

Convert 270 degrees into radians

(3pi)/2

500

(4pi)/3

 radians to degrees

 

240°

Unit Circle Exact Value (Degrees)

100

sin 150

1/2

200

cos 270

0

300

tan 210

sqrt3/3

400

cos(135)

-sqrt2/2

500

tan(90)

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Unit Circle Exact Value (Radians)

100

sin π/3

√3/2

200

cos 5π/6

-√3/2

300

tan(11pi)/6

-sqrt3/3

400

tan(pi)

0

500

tan((5pi)/3)

-sqrt3

Drawing Angles (Quadrant)

100

7pi/6

III

200

(11pi)/4

II

300

(-5pi)/3

IV

400

(-25pi)/6 

IV

500

-840 degrees

III

Coternimals (positive,negative)

100

30 degrees

positive: 390 degrees...

negative: -330 degrees...

200

-120 degrees

positive: 240 degrees...

negative: -480 degrees...

300

-620 degrees

positive: 100 degrees...

negative: -260 or -980 degrees ...

400

5pi/3

pos: 11pi/3

neg: -pi/3

500

-7pi/3

pos: 5pi/3...

neg: -pi/3 or -13pi/3...