func ExamplePhaseAngle2() {
// Example 41.a, p. 284
i := illum.PhaseAngle2(26.10588*math.Pi/180, -2.62102*math.Pi/180, .724604,
88.35704*math.Pi/180, .983824, .910947)
fmt.Printf("%.5f\n", math.Cos(i))
// Output:
// 0.29312
}
func ExamplePhaseAngle2() {
// Example 41.a, p. 284
i := illum.PhaseAngle2(
unit.AngleFromDeg(26.10588),
unit.AngleFromDeg(-2.62102),
.724604,
unit.AngleFromDeg(88.35704),
.983824, .910947)
fmt.Printf("%.5f\n", i.Cos())
// Output:
// 0.29312
}