Unit Circle (version A)

A) π
B) √2/2
C) 1
D) √3/2
E) r

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

A) 2π
B) 180
C) 1
D) 360
E) π

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

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

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

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

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

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

A) 1/2
B) -√2/2
C) 1
D) √2/2
E) 0

A) √3/2
B) √2/2
C) 1/2
D) -√2/2
E) 45

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

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

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

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

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

A) π/2
B) π
C) 3π
D) 3π/2
E) 2π

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

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

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

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