3If \frac{\cos x}{\cos y}=2 and cos( x-y)=root 3/2 then tan yA) 3+4Đ� – InterviewSolution

1.	3If \frac{\cos x}{\cos y}=2 and cos( x-y)=root 3/2 then tan yA) 3+4Đ˛) V3 + 1c) V3-4D) V3-1
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