Question: Using the trigonometric relation cos 30 = 4 cos' 0-3cos0 and Eqn. 8.3.25, V3s, 2J, J, =-(s,s, + s,s, +s,s,), with J, =0, derive

Using the trigonometric relation cos 30 = 4 cos' 0-3cos0 and Eqn.

8.3.25, V3s, 2J, J, =-(s,s, + s,s, +s,s,), with J, =0, derive

Using the trigonometric relation cos 30 = 4 cos' 0-3cos0 and Eqn. 8.3.25, V3s, 2J, J, =-(s,s, + s,s, +s,s,), with J, =0, derive Eqn. 8.3.26, cos 30 = - %3D show that cos 30= 3V3s, -(s;-J,). Then using the relations 8.2.6, 2.J2 cos0 = 3V3 J, 2 J2 (8.3.25) coso 2J.

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