find a formula for cos (3θ) in terms of cos (θ) and sin (θ) using de moivre’s theorem.

solve systems of linear equations relevant to construction applications using matrix methods

You are looking at two area rugs for your bedroom. one is a square with side lengths of 6.3 feet. the other is a rectangle that is 4.8 feet by 8.2 feet. which rug will cover the greatest area? how much more area will it cover? with work plzz and u so much

What are the sotions to the quadratic equation 9x^2=4

Use a transformation to solve the equation. w/4 = 8 can you also leave a detailed explanation on how this equation = 32