A weight 'Q' is suspended from a small ring'C' supported by two cords 'AC' & 'BC'. The cord AC is fastened at A while cord BC possess over a frictionless pulley at B and carries a weight P which is equal to Q (P=Q) and Alpha (the symbol) is equal to 50°, find the value of Beta (the symbol) which is the angle between BC and the vertical axis.
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beta :-. 80 Degrees. the angle between BC and vertical axis
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