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0x

002211

2026-01-26

Reduction Factor

β = \frac{\cos (atan (\frac{\tan ϕ}{FOS})) \cos (atan (\frac{\tan ψ}{FOS}))}{1 - \sin (atan (\frac{\tan ϕ}{FOS})) \sin (atan (\frac{\tan ψ}{FOS}))}

;