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A = cos6x + 6 cos4x + 15cos2x + 10 B = cos5x + 5 cos3x + 10cosx y = A/B and dy/dx + ksinx = 0 Then k=

Answer» A = cos6x + 6 cos4x + 15cos2x + 10 B = cos5x + 5 cos3x + 10cosx y = A/B and dy/dx + ksinx = 0 Then k=


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