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Grade: 10
        
sina-sinb+sinc=4sina/2 cosb/2 sin/2.prove it
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one year ago

Answers : (1)

Arun
24480 Points
							
Dear Ritesh
 
Is there any condition on A, B, C.
 
please check and repost it. You can also attach an image.
i will be happy to help you.
one year ago
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