f (x) = sin (4x)cos (3x)
Differentiate.
?3sin (4x)sin (3x) + 4cos (3x)cos (4x)
You might also like to view...
Provide an appropriate response.The half-life of a radioactive substance is 65 years. If you start with some amount of this substance, what fraction will remain in 139 years?
A. 4.40 B. 0.01 C. 0.23 D. 0.05
Solve the problem.A balloon is secured to rope that is staked to the ground. A breeze blows the balloon so that the rope is taut while the balloon is directly above a flag pole that is 80 feet from where the rope is staked down. Find the length of the rope if the altitude of the balloon is 100 feet.
A. 60 ft
B. 180 ft
C. 30
ft
D. 20
ft
Solve the inequality. Graph the solution set, and state the solution set in interval notation.|x| - 5 ? 7
A. [2, ?)
B. (-?, -12] ? [12, ?)
C. [-12, 12]
D. [12, ?)
Translate the given formula to English.f = 
, where f is the centripetal force of an object of mass m moving along a circle of radius r at velocity v
What will be an ideal response?