The radial stress component σr due to inclined line load of intensity Q per unit length is given by ___________

• A. \(σ_r=\frac{2Q}{r}(\frac{cosβcosθ}{2α+sin2α})\)
• B. \(σ_r=\frac{2Q}{r} (\frac{cosβcosθ}{2α+sin2α}+\frac{sinβsinθ}{2α-sin2α})\)
• C. \(σ_r=\frac{Q}{r} (\frac{cosβcosθ}{2α+sin2α}+\frac{sinβsinθ}{2α-sin2α})\)
• D. \(σ_r=\frac{2Q}{r}(\frac{sinβsinθ}{2α-sin2α})\)