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A triangle ABC is such that sin(2A+B) =1...

A triangle `ABC` is such that `sin(2A+B) =1/2` and If `A, B` and `C` are in `A.P.,` then find the value of `A` and `C`

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The correct Answer is:
`A = (pi)/(4) rArr C = (5pi)/(12)`
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