44. We note the points at which the curve is zero (θ2= 60°and 140°) in Fig. 33-45(b). We infer that sheet 2 is perpendicular to one of the other sheets at 2= 60°, and that it is perpendicular to the otherof the other sheets when 2= 140°. Without loss of generality,
This is the end of the preview. Sign up
access the rest of the document.