a spider with a mass of m=4.89x10^-5 kg hangs motionless from three strands of web. One strand is vertical, and the other two each make an angle of theta=12.8 degrees with the horizontal ceiling. Let Tv be the tension in the vertical strand of the web, and let To be the tension in either of the other strands. Write and expression for the tension in a strand that attached to the ceiling, To.