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सिध्द कीजिए कि: ([sin (A + C) + sin ...

सिध्द कीजिए कि:
`([sin (A + C) + sin (A-C ) ] + 2 sin A)/([sin (B +C ) + sin (B-C )] + 2sin B)`
`= (2 sin A cos C + 2 sin A )/(2 sin B cos C + 2 sin B) = (2 sin A (cos C + 1))/(2 sin B (cos C + 1))`
`= (sin A)/(sin B)= ` दायाँ पक्ष।

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