1

The equations of the 2 graphs shown below are
y1(t) = a1 sin(b1t) and y2(t) = a2 cos(b2t), where the constants
b1 and b2 are both positive real numbers.


Which of the following statements is true of the constants
a1 and a2 ?

  • A. 0 < a1 < a2

  • B. 0 < a2 < a1

  • C. a1 < 0 < a2

  • D. a1 < a2 < 0

     

  • E. a2 < a1 < 0