Solve the equation. Cosine (StartFraction x Over 2 EndFraction) = cosine x + 1)

What are the solutions on the interval 0° ≤ x < 360°?

Solutions: { , }

Find the volume of the described solid. the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x. a) 441b) 147c) 864d) 882

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0