Evaluate cos2θ for cosθ =3/2 .

Find the power series expantion of f(z)=log(4=3z) at the point z=-1

Which of the following is the graph of y= square root -x-3

Prove the converse of the pythagorean theorem using similar triangles. the converse of the pythagorean theorem states that when the sum of the squares of the lengths of the legs of the triangle equals the squares length of the hypotenuse, the triangle is a right triangle. be sure to create and name the appropriate geometric figures.