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Two forces of magnitudes P+Q and P-Q act at a point at an angle x. Their resultant makes an angle y/2 with the bisector of the angle between them. Prove that: P : Q = tan (x/2) : tan (y/2)

Two forces of magnitudes P+Q and P-Q act at a point at an angle x. Their resultant makes an angle y/2 with the bisector of the angle between them. Prove that:

P : Q =  tan (x/2) : tan (y/2)

Grade:12th pass

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