The solutions for cos^2 x - cos 2x =0, over the domain 0 < x < 2π are a. π/6 & 5π/6

b. π/2 & 3π/2

c. 0 & π & 2π

d. π/4 & 3π/4 & 5π/4 & 7π/4

*need to know steps*

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

Match the one-to-one functions with their inverse functions.