General Direction: Solve the following problem by applying the concepts of trigonometric identities and functions. Illustrate the situation given to the problem. 1. Given a laser scanner projection system. The optical angle , throw distance D, and projected image width W are related by the equation D= cac d-cot o Solve for W in terms D and . 2. The slope of a mountain makes an angle of 45" with the horizontal. At the base of the mountain, a cannon is fired at an angle d with the horizontal, where 45"