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The number of integral value(s) of k for which sin2x+(cosx−1)sinx−cosx−ksinx+k=0 have exactly three real roots, where x∈(0,2π), is

Answer» The number of integral value(s) of k for which sin2x+(cosx1)sinxcosxksinx+k=0 have exactly three real roots, where x(0,2π), is


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