func ExamplePhaseAngle3() { // Example 41.a, p. 284 i := illum.PhaseAngle3(26.10588*math.Pi/180, -2.62102*math.Pi/180, .621794, -.664905, -.033138, .910947) fmt.Printf("%.5f\n", math.Cos(i)) // Output: // 0.29312 }
func ExamplePhaseAngle3() { // Example 41.a, p. 284 i := illum.PhaseAngle3( unit.AngleFromDeg(26.10588), unit.AngleFromDeg(-2.62102), .621794, -.664905, -.033138, .910947) fmt.Printf("%.5f\n", i.Cos()) // Output: // 0.29312 }