Unit Circle (version A)

A) 1
B) √2/2
C) π
D) √3/2
E) r

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

A) 2π
B) 180
C) 360
D) π
E) 1

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

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

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

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

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

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

A) 1
B) √2/2
C) -√2/2
D) 1/2
E) 0

A) √2/2
B) √3/2
C) -√2/2
D) 45
E) 1/2

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

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

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

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

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

A) π/2
B) π
C) 3π/2
D) 3π
E) 2π

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) 360 degrees
C) 2π radians
D) π radians

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

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

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