A problem by Karan Gujar

Level pending

CLASSY MECHANICS TWO EQUAL RODS OF WEIGHT "X" ARE FREELY JOINED .THEIR FREE ENDS ARE ATTACHED BY STRING TO A FIXED POINT.A CIRCULAR DISC OF WEIGHT "W"AND RADIUS "R" REST IN ANGLE BETWEEN RODS AND THE WHOLE HANGS IN A VERTICAL PLANE.IF "2A" IS THE LENGTH OF EACH ROD AND EACH STRING,2$ IS THE ANGLE BETWEEN THEM.WHAT IS THE VALUE OF( RADIUS/2ASIN^2$TAN$*{{3X+2W}/W})

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