Unit Circle (version A)

A) π
B) r
C) √3/2
D) √2/2
E) 1

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

A) 360
B) π
C) 180
D) 1
E) 2π

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

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

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

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

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

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

A) √2/2
B) 1/2
C) 0
D) -√2/2
E) 1

A) 45
B) 1/2
C) √3/2
D) -√2/2
E) √2/2

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

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

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

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

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

A) 3π/2
B) 2π
C) π
D) 3π
E) π/2

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) True
D) False

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

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

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

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