If cos(α+β)=35,sin(α−β)=513 and 0<α,β<π4, then tan(2α) is eq – InterviewSolution

1.	If cos(α+β)=35,sin(α−β)=513 and 0<α,β<π4, then tan(2α) is equal to:
Answer» If $cos (α + β) = \frac{3}{5}, sin (α - β) = \frac{5}{13}$ and $0 < α, β < \frac{π}{4},$ then $tan (2 α)$ is equal to:

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