Unit Circle (version B)

A) π
B) √3/2
C) 1
D) r
E) √2/2

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

A) 1
B) π
C) 180
D) 360
E) 2π

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

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

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

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

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

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

A) -√2/2
B) 1/2
C) 1
D) √2/2
E) 0

A) √3/2
B) 45
C) -√2/2
D) √2/2
E) 1/2

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

A) 1
B) 0
C) √3/2
D) 1/2
E) -1

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

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

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

A) 3π
B) 2π
C) π/2
D) 3π/2
E) π

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

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

A) π/2 radians
B) 2π radians
C) 90 degrees
D) 3π/2 radians

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

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

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