Question

1. on a vertical wall a certain painting, whose base is 6 feet from the floor, is hanged. from a point on the floor, the angles of elevation of the top and bottom of the frame are 45degree and 30 degree, respectively. find the vertical dimension of the painting.

2. the angle of elevation from the top of the cliff to the top of the second cliff 290 ft. away is 68 degree, while the angle of depression from the top of the first cliff to the bottom of the second cliff is 63 degree. find the height of the second cliff.