Physics, asked by hriteshkumarde, 11 months ago

Show that for a triangle of sides A, B and C, Cosβ = (A2+C2-B2)/2AC where A,B & C are magnitudes of vectors A, B and C

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Answered by cuberseastindip02wqw

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Hritesh mai khoj raha hu mujhe bhi nahi aata isska answer

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