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SIN PI /14 X SIN 3 PI / 14 X SIN5PI/14 X SIN7PI/14 X SIN9 PI/14 X SIN 11PI /14 X SIN 13PI/14=_________________ 1/8 1/16 1/32 1/64PLZZ GIVE SMALL SOLN ACCORDING TO JEE
combine first and last term then 2ndand 2ndlast term and so on and use sin(A)* sin(B) = (0.5)*((cos A+B)-cos(A-B))
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