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[" Two vectors inclined at an angle "the...

[" Two vectors inclined at an angle "theta" have "],[" magnitude "3N" and "5N" and their resultant "],[" is of magnitude "4N" .Then angle "theta" is "],[000^(@)],[0cos^(-1)(4)/(5)],[0cos^(-1)(3)/(5)],[" cos "^(-1)(-(3)/(5))]

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