trinixx18
trinixx18 trinixx18
  • 12-04-2018
  • Mathematics
contestada

CALCULAS! 30 points!
Evaluate ∫ sin 4x cos2 4x dx.

Respuesta :

wizard123
wizard123 wizard123
  • 12-04-2018
Solve with substitution:

Let u = cos^2(4x)
du = -8sin(4x) cos(4x) dx

[tex]-\frac{1}{8} \int u^{1/2} du \\ \\ = -\frac{1}{8} (\frac{2}{3} u^{3/2}) + C \\ \\ = -\frac{1}{12} cos^3 (4x) + C[/tex]
Answer Link

Otras preguntas

What constant would be added to the expression x^2+8/3x in order to make it a perfect square
The random variable x is known to be uniformly distributed between 10 and 20. Show the graph of the probability density function.
you need $24,456 at the end of 10 years, and your only investment outlet is an 8% long-term certificate of deposit (compound annually). with the certificate of
how to get equity out of your home without refinancing
pls help me how do I round 9.4725 to the nearest cent with no dollar sign
How does Justin tripping Gigi affect Rashid? Paragraphs 22-26
Picture for reference
Which describes a council-manager form of government in Washington? A mayor appoints department heads and handles daily operations. A city council appoints depa
Where are the direct and indirect objects? The dog ate my lunch. Mrs Smith baked William a birthday cake. Dylan fell off his skateboard. I sewed my daughter a n
In Ms. Q's deck of cards, every card is one of four colors (red, green, blue, and yellow), and is labeled with one of seven numbers (1, 2, 3, 4, 5, 6, and 7). A