alezginaElia alezginaElia
  • 22-02-2017
  • Mathematics
contestada

Find the values of x on the curve y = cos x 2 sin x at which the tangent is horizontal.

Relax

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 22-02-2017
assuming you mean y=2cos(x)sin(x)
take deritive
use chain rule
4(cos(x))²-2

find where it equals 0
it equals 0 at pi/4 and 3pi/4 and every interval that is pi/2 aparrt
Answer Link

Otras preguntas

what is 8.666666666666 in simplest form
Describe how is an organism's food and habitat related
factorise the following: 1)   -10x² + 31x +142)   -24x² + 35x -4
Be sure to look at the file! Which religious leader does this description refer to? A. Siddhartha Gautama B. Confucius C. Asoka Maurya D. Rig Vedas
Which is a complete sentence? A. Explore six Pueblo sites in four states. B. Streaked red canyon walls and ancient cliffside dwellings. C. A winding path that l
Which line from "Civil Disobedience" by Henry David Thoreau may have influenced John Lewis's beliefs?
what are the geographic factors of Ancient Rome
the right to petition members of the government is contained in the blank amendment to the constitution.
beginning in 1996, a glacier lost an average of 3.7 meters of thickness each year. find the total change in its thickness by the end of 2012.
What are molecules ??