When a body is subjected to a direct tensile stress ( ) in one plane, then tangential or shear stress on an oblique section of the body inclined at an angle to the normal of the section is

When a body is subjected to a direct tensile stress ( ) in one plane,

1.	When a body is subjected to a direct tensile stress ( ) in one plane, then tangential or shear stress on an oblique section of the body inclined at an angle to the normal of the section is
A.	sin 2
B.	cos 2
C.	/2 sin 2
D.	/2 cos 2
Answer» D. /2 cos 2