Unit Circle Quiz Review

Angles in Degrees and Radians

100

Convert 300 degrees to radians.

5 pi /3

200

Convert 5 pi / 6 from radians to degrees.

150 degrees

300

Find the reference angle of 830 degrees

110 degrees

400

Find the reference angle of -17 pi / 6

7 pi / 6

500

Find the reference angle IN RADIANS of -1000 degrees.

4 pi / 9

Trig on the U.C.

100

Find sin(240)

-sqrt(3) / 2

200

Find cos(5 pi / 3)

1/2

300

Find tan(5 pi / 6)

-sqrt(3) / 3

400

Find cos(1020)

1/2

500

Find sin(-5pi / 6)

-1/2

Reciprocal Trig

100

Find csc(270)

-1

200

Find sec(pi / 2)

undefined

300

Find cot(570)

sqrt(3)

400

Find csc(23 pi / 6)

-2

500

Find cot(8pi)

undefined

Inverse Trig

100

Find sin^-1(1/2)

30, 150

200

Find theta if sec(theta) = -2

120, 240

300

Find tan^-1( sqrt(3) )

60, 240

400

Find theta if csc(theta) = 2sqrt(3) / 3

60, 120

500

Write the set notation for cot^-1(-1)

{135 + 360n | n ele. Z} U {315 + 360n | n ele. Z}