Let cos(α + β) = 4/5 and sin(α - β) = 5/13 , \\theta\leq\\alpha,\\beta\leq\\pi/4 , then tan2α =

HCU MCA 2017 Paper

Question : 42 of 75

Marks: +1, -0

Let cos(α + β) =

4/5

and sin(α - β) =

5/13

\θ≤\α,\β≤\π/4

, then tan2α =

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