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Let veca=2veci-j+veck and vecb=3i+4j-vec...

Let `veca=2veci-j+veck and vecb=3i+4j-veck`. If `theta` is the angle between `veca and vecb`, then find `sintheta`.

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The correct Answer is:
`sqrt((155)/(156))`.
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-PRODUCT OF VECTORS-SOLVED PROBLEMS
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