Evaluate:(cos7 4°/sin16°)² + cos51°/sin39°) - 4sin² 45°​

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then