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Converting Angles
Equivalent Angles
Reference angles and Co-terminal Angles
Sine and cosine of complementary angles
Pythagorean Identity
100
Convert 60 degrees into radians
π/3
100
440 degrees is equivalent to what angle between 0 and 360?
80
100
what is the reference angle of 300 degrees
60
100
sin 30 = cos x
60
100
(cos 25)^2 + (sin 25)^2 = x
1
200
Convert 7/6 π into degrees
210 degrees
200
10/3π is equivalent to what radian measure between 0 and 2π
4/3π
200
What is the reference angle of 255 degrees
75
200
cos 10 = sin x
80
200
(sin 3π/2)^2 + (cos 3π/2)^2 = x
1
300
Convert 160 degrees into radians
8/9 π
300
cos 315 = cos x
45
300
-45 degrees shares a terminal side with what angle between 0 and 360
270
300
sin 140 = cos x
50 or 310 or -50
300
Is the point (0, -1) on the unit circle? Show your work.
Yes
400
Convert 17/12 π to degrees
255
400
sin330=sinx
210
400
sin 40 = sin x
140
400
sin (90-x) is the same as what trig function
cos x
400
Is the point (5/13, 12/13) on the unit circle? Show your work.
Yes
500
Convert 600 degrees into an equivalent radian measure between 0 and 2π
4/3 π
500
cos 3/4π = cos x
5/4π
500
sin 330 = sin x
210
500
cos(90 - x) is the same as what trig function?
sin x
500
Is the point (2/3, 1/2) on the unit circle? Show your work.
No