Trigonometric EquationHard

Question

The volume of the tetrahedron formed by the coterminous edges Then the volume of the parallelopiped formed by the coterminous edges is

Options

A.6
B.18
C.36
D.9

Solution

= 3 (Given)
= 18
Vol. of parallelopiped =
= 2 = 2 × 18 = 36

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