ILS Nominal Glidepath RNAV

A 3° glideslope is the nominal glideslope, representing a compromise between ground avoidance and an acceptable rate of descent.

The particular glideslope for a runway will vary depending on other factors — noise abatement, obstructions and terrain being the obvious ones.

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According to ICAOICAO —International Civil Aviation Organisation, what is the nominal glideslope in degrees?