The point (_20,21) is on the terminal arm of an angle in standard position find sin and cos

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.

With finding limits of multi variable !

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a