Unit Circle (version A)

A) √3/2
B) √2/2
C) π
D) 1
E) r

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

A) 1
B) 180
C) 2π
D) 360
E) π

A) r
B) theta
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) false
C) Can't be determined
D) true

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

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

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

A) 1
B) √2/2
C) -√2/2
D) 1/2
E) 0

A) 45
B) 1/2
C) -√2/2
D) √3/2
E) √2/2

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

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

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

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

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

A) 2π
B) 3π
C) π
D) π/2
E) 3π/2

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

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

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

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

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

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