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If vecA=vecB+vecC and vecA,vecB,vecC hav...

If `vecA=vecB+vecC` and `vecA,vecB,vecC` have scalar magnitudes of 5, 4, 3 units respectively then the angle between `vecA` and `vecC` is

A

`cos^(-1)(3//5)`

B

`cos^(-1)(4//5)`

C

`pi//2`

D

`sin^(-1)(3//4)`

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2012-Subject: Physics
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