Unit Circle (version A)

A) 1
B) √3/2
C) π
D) √2/2
E) r

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

A) π
B) 180
C) 1
D) 2π
E) 360

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

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) false
C) true
D) Neither

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

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

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

A) 1
B) -√2/2
C) 1/2
D) √2/2
E) 0

A) 1/2
B) -√2/2
C) 45
D) √3/2
E) √2/2

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

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

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

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

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

A) 3π/2
B) π/2
C) 2π
D) π
E) 3π

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

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

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

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

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

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