Determine the principal value for the trigonometric expression. Give an exact answer in degrees. sin^-1 (-1)

Aregular hexagon rotates counterclockwise about its center. it turns through angles greater than 0° and less than or equal to 360°. at how many different angles will the hexagon map onto itself?

1foot = 12 inches; 1 yard = 3 feet

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1