Unit Circle (version B)

A) r
B) 1
C) π
D) √2/2
E) √3/2

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

A) 2π
B) π
C) 360
D) 1
E) 180

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

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

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

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

A) both 0 and 180 degrees
B) 90 degrees
C) both 90 and 270 degrees
D) neither 90 nor 270 degrees
E) 270 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/2
D) π
E) -π

A) 1/2
B) 1
C) √2/2
D) -√2/2
E) 0

A) √2/2
B) 45
C) √3/2
D) -√2/2
E) 1/2

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

A) 1
B) 0
C) √3/2
D) 1/2
E) -1

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

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

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

A) 3π
B) π
C) 3π/2
D) 2π
E) π/2

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

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

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

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

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

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