﻿ Acosx+bsinx=c prove that sin(alpha+beta)= (2ab/(a^2+b^2) solution  , 18.10.2019 11:00, akshat8712

# Acosx+bsinx=c prove that sin(alpha+beta)= (2ab/(a^2+b^2) solution   ### Other questions on the subject: Math Math, 18.08.2019 03:00, jdavis2310
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4men and 6 boys can finish a piece of work in 5 days while 3 men and4 boys can finish it in 7 days. find the time taken by 1 man alone or that by1 boy alone to finish the work.​
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Acosx+bsinx=c prove that sin(alpha+beta)= (2ab/(a^2+b^2) solution...

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