Tan (pi/5) - tan (pi/30) / 1+tan (pi/5)tan (pi/30)

What are correct trigonometric ratios that could be used to determine the length of ln

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

Martin likes to make flower bouquets that have 3 daffodils and 4 tulips per vase. a daffodil has a mass of d grams, a tulip has a mass of t grams, and the vase has a mass of u grams. the expression 5(3d + 4t + v) describes the mass of 5 bouquets. match each amount in the situation with the expression that represents it. situation expression number of bouquets mass of one bouquet mass of the tulips in one bouquet 4t mass of the daffodils in one bouquet 3d + 4t + v