Let a - ci +j and b- 9i + 12j. Find c so that the a %3D Round your answers to four decimal places and enter C2 =

Find the values of x and y. x+x+yi=3+8i

Gina is standing near a building and notices that the angle of elevation to the top of the building is 68. She then walks 72 feet further away from the building and notices that the angle of elevation to the top of the building is now only 51. Find the height of the building. a. 2511 b. 56ft c. 149ft d. l80ft

secA + tanA is equal to