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If sqrt(sin alpha)/(sqrt(1+cos2 alpha))=...

`If sqrt(sin alpha)/(sqrt(1+cos2 alpha))=1/7 and sqrt((1-cos2beta)/2)=1/(sqrt(10))`
`alpha, beta in (0, pi/2)` then ` tan (alpha + 2 beta)` is equal to _________

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MCGROW HILL PUBLICATION-JEE (Main) 2020 QUESTION PAPER (8TH JAN-AFTERNOON)-Multiple Choice Questions
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