Unit Circle (version A)

נתרם על ידי: Staublin

A) √3/2
B) 1
C) r
D) π
E) √2/2

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

A) 2π
B) 180
C) 1
D) 360
E) π

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

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) false
D) Neither

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

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

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

A) -√2/2
B) 0
C) √2/2
D) 1
E) 1/2

A) -√2/2
B) 1/2
C) 45
D) √3/2
E) √2/2

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

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

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

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

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

A) 2π
B) π/2
C) π
D) 3π
E) 3π/2

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

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

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) III
B) II
C) I
D) IV

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