ST3aninityann
ST3aninityann ST3aninityann
  • 13-10-2016
  • Mathematics
contestada

Trig integrals. sqrt(1-cos2x)dx

Respuesta :

HomertheGenius
HomertheGenius HomertheGenius
  • 18-10-2016
1 - cos 2 x = 1 - ( cos² x - sin² x ) = 1 - cos² x + sin² x = sin² x + sin² x =
 = 2 sin² x
[tex] \int { \sqrt{2sin ^{2} x} } \, dx = \sqrt{2} \int {sinx} \, dx =[/tex]
= - √2 cos x + C

Answer Link

Otras preguntas

If x=-3 calculate the value of xcubed+x
Bank credit to entrepreneurs can come in all of the following forms EXCEPT: A. bank loans B. credit cards C. lines of credit D. federal grants
A drum set originally costs $500, but it is on sale for 20% off. If a customer buying the drum set has a $70 gift card, what will her final price be on the drum
If a doctor wanted to be sure that a patient''s urinary system is working properly, what would be the BEST indicators to investigate?
What do John Carver and William Bradford have in common? A. They established Massachusetts Bay Colony. B. They were pastors in the Anglican Church. C. Each was
what teaching style is identified with socrates,and what was it like?
Which three letters replaced CQD? a. SOS, b. KGB, c. TNT, d. FYI
how many hundreds in 3600
List the integers between the square root of 13 and the square root of 50
Gland in the brain that is the control center of all regulatory activities of the body?