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In an acute angled DeltaABC,sec(B+C-A)=2...

In an acute angled `DeltaABC,sec(B+C-A)=2` and `tan(C+A-B)=(1)/(sqrt3)`. Find the three angles of `DeltaABC.`

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AGRAWAL PUBLICATION-(2019) QUESTION PAPER-EXAMPLE
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