Equation of a Circle
Angles in Degrees and Radians
Trig on the U.C.
Reciprocal Trig
Inverse Trig
100
What is the radius of a circle with equation (x-3)^2 + (y+4)^2 = 36?
6
100
Convert 300 degrees to radians.
5 pi /3
100
Find sin(240)
-sqrt(3) / 2
100
Find csc(270)
-1
100
Find sin^-1(1/2)
30, 150
200
What is the center of a circle with equation (x+3)^2 + (y-2)^2 = 81?
(-3,2)
200
Convert 5 pi / 6 from radians to degrees.
150 degrees
200
Find cos(5 pi / 3)
1/2
200
Find sec(pi / 2)
undefined
200
Find theta if sec(theta) = -2
120, 240
300
Write the equation of a circle with center (1,-3) and radius 4.
(x-1)^2 + (y+3)^2 = 16
300
Find the reference angle of 830 degrees
110 degrees
300
Find tan(5 pi / 6)
-sqrt(3) / 3
300
Find cot(570)
sqrt(3)
300
Find tan^-1( sqrt(3) )
60, 240
400
Write the equation of the unit circle.
x^2 + y^2 = 1
400
Find the reference angle of -17 pi / 6
7 pi / 6
400
Find cos(1020)
1/2
400
Find csc(23 pi / 6)
-2
400
Find theta if csc(theta) = 2sqrt(3) / 3
60, 120
500
Write the center AND the radius for the circle with equation x^2 + (y+5)^2 = 25
(0,-5), r=5
500
Find the reference angle IN RADIANS of -1000 degrees.
4 pi / 9
500
Find sin(-5pi / 6)
-1/2
500
Find cot(8pi)
undefined
500
Write the set notation for cot^-1(-1)
{135 + 360n | n ele. Z} U {315 + 360n | n ele. Z}
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