Find the derivative.r = 4 - ?4 cos ?

A.  = - 4?3 cos ? + ?4 sin ?
B.  = 4?3 sin ?
C.  = 4?3 sin ? - ?4 cos ?
D.  = 4?3 cos ? - ?4 sin ?

Answer: A

Mathematics

You might also like to view...

Find the domain of the function. Write the domain using interval notation.f(x) = 

A. (-?, -9) ? (-9, ?) B. (-?, -5) ? (-5, 5) ? (5, ?) C. (-?, 0) ? (0, ?) D. (-?, 9) ? (9, ?)

View
Mathematics

Solve using matrices.  6x - 5z + w = 24-x + 6y + z - 6w = 2  3x - y + 5w = 9  y - 6z - w = -11

A. (6, -1, 2, -2) B. (-1, 6, 4, -3) C. (5, 1, -2, 0) D. (1, -1, -7, -2)

View
Mathematics

Find the LCD for the fractions in the list. , 

A. 8a2 + 8 B. 8a(a + 8) C. 8a + 8 D. 8a2 + 64

View
Mathematics

Solve by factoring.x(x + 8) + 3(x + 8) = 0

A. {-8, 3} B. {8, 3} C. {-8, -3} D. {8, -3}

View
Mathematics