Find dy/dt.y = cos7(?t - 20)
A. 7 cos6(?t - 20)
B. -7? cos6(?t - 20) sin(?t - 20)
C. -7 cos6(?t - 20) sin(?t - 20)
D. -7? sin6(?t - 20)
Answer: B
Mathematics
You might also like to view...
A patient is placed on a diet to improve his blood-cholesterol content. The concentration of cholesterol in the blood, in milligrams per deciliter, after t months on the diet is given by
?
?
A. Explain in practical terms the meaning of 
.B. Calculate the value you found in part A.C. How much did the cholesterol level decline from month 5.00 to month 8.00?
What will be an ideal response?
Mathematics
Write expanded notation.4080
A. 400 + 8 B. 4 + 0 + 8 C. 4,000 + 80 D. 40,000 + 8,000
Mathematics
Use the fundamental identities to simplify the expression.
A. cos3? B. sin ? C. sec2? D. tan2?
Mathematics
Write the mixed number as an improper fraction.7
A. 
B. 
C. 
D. 
Mathematics