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Questions  

If 2tan⁡(π/3)cos⁡(2πx)=3, the general solution of the equation is 

a
2nπ±π3
b
n±13
c
n±16
d
n±12  (n∈I)

detailed solution

Correct option is C

2×3cos⁡(2πx)=3⇒cos⁡(2πx)=1/2=cos⁡(2nπ±π/3)⇒x=n±1/6.

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