Unit Circle (version A)

A) √2/2
B) π
C) r
D) 1
E) √3/2

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

A) 2π
B) 180
C) 1
D) 360
E) π

A) r
B) y
C) 1
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) 0 to 360
C) -1 to 1
D) -infinity to +infinity

A) Both 0 and 180 degrees
B) neither 0 nor 180 degrees
C) 0 degrees
D) 180 degrees
E) 90 and 270 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) 1/2
B) 1
C) √2/2
D) -√2/2
E) 0

A) 45
B) √2/2
C) -√2/2
D) √3/2
E) 1/2

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

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

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

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

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

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

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

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

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

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