Unit Circle (version A)

A) √2/2
B) π
C) r
D) √3/2
E) 1

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

A) π
B) 180
C) 1
D) 360
E) 2π

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

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

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

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

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

A) 0 degrees
B) 180 degrees
C) 270 degrees
D) 90 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) 2π
B) π/2
C) -π
D) π
E) -π/2

A) 1/2
B) 0
C) -√2/2
D) √2/2
E) 1

A) 1/2
B) √3/2
C) √2/2
D) 45
E) -√2/2

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

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

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

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

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

A) 3π/2
B) π
C) 3π
D) 2π
E) π/2

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

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

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

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

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

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