1.

The value of cos2π6+x- sin2π6-x is(a) 12 cos 2x(b) 0(c) -12 cos 2x(d) 12

Answer» The value of cos2π6+x- sin2π6-x is

(a) 12 cos 2x



(b) 0



(c) -12 cos 2x



(d) 12


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