Find the real zeros of the trigonometric function on the interval 0 ≤ x < 2π

f(x) = 4 cos^2(x) - 3

Two rigid transformations are used to map abc to qrs. the first is a translation of vertex b to vertex r. what is the second transformation? a reflection across the line containing ab a rotation about point b a reflection across the line containing cb a rotation about point c

Divide. write in the simplest form. 4 1/6 divided by 10

What number line represents the solution set for the inequality -1/2 greater than or equal to 4