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In DeltaABC, prove that: sinA+sinB-sin...

In `DeltaABC`, prove that:
`sinA+sinB-sinC=4sinA/2sinB/2cosC/2`

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To prove that in triangle \( \Delta ABC \): \[ \sin A + \sin B - \sin C = \frac{4 \sin \frac{A}{2} \sin \frac{B}{2} \cos \frac{C}{2}}{1} \] ### Step-by-Step Solution: ...
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