Unit Circle (version B)

A) π
B) 1
C) √3/2
D) r
E) √2/2

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

A) 1
B) 2π
C) π
D) 180
E) 360

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

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

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

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

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

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

A) -√2/2
B) 1/2
C) 1
D) √2/2
E) 0

A) 1/2
B) -√2/2
C) 45
D) √2/2
E) √3/2

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

A) -1
B) 0
C) 1
D) 1/2
E) √3/2

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

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

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

A) 3π
B) 3π/2
C) π/2
D) 2π
E) π

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

A) Can't be determined
B) True
C) False
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) III
C) I
D) IV

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