(i) `sin2x=(1)/(2)` (ii) `cos3x=(1)/(sqrt(2))` (iii) `"tan"(2x)/(3)=sq – InterviewSolution

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1.	(i) `sin2x=(1)/(2)` (ii) `cos3x=(1)/(sqrt(2))` (iii) `"tan"(2x)/(3)=sqrt(3)`
Answer» Correct Answer - (i) `x=(npi)/(2)+(-1)^(n)*(pi)/(12), n in I` (ii) `x=((2npi)/(3)+-(pi)/(12)), n inI` (iii) `x=(3n+1)(pi)/(2),n in I`

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(i) `sin2x=(1)/(2)` (ii) `cos3x=(1)/(sqrt(2))` (iii) `"tan"(2x)/(3)=sqrt(3)`