How can I deal with an angle of incidence with greater than 90 degree values if I am calculating solar radiation?
closed as unclear what you're asking by tinlyx, Barbarossa, whyzar, ArMoraer, Hornbydd Apr 30 '18 at 17:35
Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.