The equation sin ( (pi/3) - x ) is equal to
a. 1/2( sqrt(3) cosx + sinx)
b. 1/2(sqrt(3) cosx - sinx)
c. 1/2(cosx- sqrt(3) sinx)
d. 1/2 (cosx + sqrt(3) sinx)

If given an equation of a line such as -1/2x+6 how would you create an equation of a line parallel and perpendicula to this line that goes through another point such as (4,10)

Find the gradient of f(x, y,z)equals=left parenthesis x squared plus y squared plus z squared right parenthesis superscript negative 1 divided by 2 baseline plus ln left parenthesis x right parenthesis x2+y2+z2−1/2+ln(xyz) at the point left parenthesis negative 2 comma 1 comma negative 2 right parenthesis(−2,1,−2).

Which of the following are parts of a sphere