KiaraBilello413
KiaraBilello413 KiaraBilello413
  • 21-07-2015
  • Mathematics
contestada

Simplify the following, where k represents any integer: cos(2kpi-x)(-sin(2kpi-x))
a. -cosx*sinx
b. (1/2)sin(2x)
c. cos((1/2)x)^2
d. cos(x)^2*sin(x)^2
e. undefined

Respuesta :

crisforp
crisforp crisforp
  • 21-07-2015
= cos( -x ) * [ - sin( - x ) ] = cosx * sinx ;
cosx * sin x is the right answer !
Answer Link

Otras preguntas

Does the word consternation have a positive or negative connotation
Which compounds would not form as a result of carbon’s interactions with other elements?
Does the word consternation have a positive or negative connotation
Convert 18 mi/hr to ft/sec.
Help me pls I need this for Monday
Point Y is in the interior of ∠XWZ. Given that (ray) WX and (ray) WZ are opposite rays and m∠XWY = 4(m∠YWZ), what is m∠YWZ?
HELP OMG HELP IM SO STUCK
Find the equation of the line using the point-slope formula. Write the final equation using the slope-intercept form. perpendicular to 8y = x − 4 and passes t
Tell me if I’m right and answer the two last ones please and thank you
How did geography affect classical Greece and Persia differently? A. Greece's geography forced it to develop a large land army, while Persia's led it to rely on