30 0.258819 0.004487 222.8513484 1.6133330.0072435 0.300706 0.008176 122.3018422 0.703333 0.005751400.34202 0.013684 73.079113420.3420.0046845 0.382683 0.021447 46.627423800.19 0.00407550 0.4226180.0319 31.347792320.1160.0037asin(a/2)sin41/sinNN/TNsin/T
