Unit Circle (version A)

A) √2/2
B) r
C) 1
D) π
E) √3/2

A) y
B) x
C) r
D) theta
E) 1

A) 360
B) 2π
C) 180
D) 1
E) π

A) 1
B) x
C) r
D) theta
E) y

5. The magnitudes of the maxima and minima of the unit circle's sine and cosine are the same.

A) false
B) Can't be determined
C) true
D) Neither

A) -infinity to +infinity
B) 0 to 2π
C) -1 to 1
D) 0 to 360

A) 90 and 270 degrees
B) Both 0 and 180 degrees
C) 180 degrees
D) neither 0 nor 180 degrees
E) 0 degrees

A) 0 degrees
B) 90 degrees
C) 270 degrees
D) 180 degrees

9. For the unit circle, if I translate the sine curve XXX radians, it will be in the same position as the cosine curve.

A) -π/2
B) 2π
C) π
D) π/2
E) -π

A) √2/2
B) 0
C) 1
D) 1/2
E) -√2/2

A) √3/2
B) √2/2
C) 45
D) 1/2
E) -√2/2

A) 30 degrees
B) -390 degrees
C) 330 degrees
D) -30 degrees

A) 180 degrees
B) 0
C) 1
D) 1/2
E) √3/2

A) 3π radians
B) 1/2 radians
C) 3π/2 radians
D) -π radians
E) 2π radians

A) 45 degrees
B) 135 degrees
C) 315 degrees
D) 225 degrees
E) 3π/2 radians

A) I
B) III
C) IV
D) II
E) never

A) 3π/2
B) 2π
C) 3π
D) π/2
E) π

18. One cycle of the sine and cosine curve from the unit circle have the same period.

A) True
B) Neither
C) False
D) Can't be determined

A) 2π radians
B) π radians
C) 360 degrees
D) π/2 radians

20. The cosine function is negative and the sine function is positive in quadrant

A) II
B) III
C) IV
D) I

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