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[" 5) If each of "alpha,beta" and "gamma...

[" 5) If each of "alpha,beta" and "gamma" is a positive acute angles such that "sin(alpha+beta-gamma)=(1)/(2)],[cos(beta+gamma-alpha)=(1)/(2)" and "tan(gamma+alpha-beta)=1" ,find the values of "alpha,beta" and "gamma]

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