If 1+ cos2a = 3 sin a cos a，cos a=/0 ，find tan a

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.