Justify the Pythagorean identity in two different ways, one using the angle of rotation definition of sine and cosine on a unit circle, and one using the right triangle definition of sine and cosine as ratios of sides of the right triangle.

Which statement describes the term economics? a. it is the study of using limited resources to fulfill wants and needs. b. it is the study of how governments fulfill the wants and needs of nations. c. it is the study of how people spend their money to fulfill wants and needs.

Find the solution of system of equation y= x-4 y=4x+2

What is the length and width of a 84.5 square foot rug? will mark