Physics, asked by drashtishukla259, 6 months ago

If R vector = A vector - B vector show that R²=A²+B²-2AB cos theta

Answers

Answered by aaliya412
2

Answer:

Let R = A + B and let θ be the angle between A and B. Use R = √R2 = √R · R to show that R = √A2 + B2 + 2AB cos θ. Help: [S-5].

Explanation:

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