If θ is the apex angle which the line joining the apex makes with the – McqOptions

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1.	If θ is the apex angle which the line joining the apex makes with the outer edge of the loading of a circular area, then the Boussinesq’s vertical pressure σz under a uniformly loaded circular area is given by ______________
A.	σz=q[1-sin³θ]
B.	σz=q[1-cos³θ]
C.	σz=q[1-tan³θ]
D.	σz=q[1-cos²θ]
Answer» C. σz=q[1-tan³θ]

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