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a vector vecA makes on angle 30^@ w...

a vector ` vecA ` makes on angle `30^@` with the y- axis in anticlockwise direaction . Another vector `vecB` makes on angle ` 30^@` with the x- axis in clockwise direction find angle between vectors ` vecA and vecB `

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From the diagram the angle between `vecA "and " vecB "is " 30^(@)+90^(@)+30^(@)=150^(@)`.
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