Math, asked by ikki7433, 1 year ago

Let y= (cos x + cos2x + cos3x + cos4x + cos5x + cos6x + cos7x)/ (sinx + sin2x + sin3x + sin4x + sin5x + sin6x + sin7x)The value of y when x=pi/8A)1 B)0 C)root2-1 D)Not defined

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Answered by mundacute

0

B..................

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