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  4. iv bin on dis question fr a while... pls help. solve the simultaneous eqn Sin(x+y)...

iv bin on dis question fr a while... pls help. solve the simultaneous eqn Sin(x+y)...

iv bin on dis question fr a while... pls help. solve the simultaneous eqn

Sin(x+y) = 2Sin(x-y);
2x = π/2 -y
thanks?
In Mathematics
59 Answers Available
Asked by opaville on 15th March, 2014
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