How do you deduce that two vectors are perpendicular?

1.	How do you deduce that two vectors are perpendicular?
Answer» <html><body><p></p>Solution :If <a href="https://interviewquestions.tuteehub.com/tag/two-714195" style="font-weight:bold;" target="_blank" title="Click to know more about TWO">TWO</a> vectors `vecA` and `vecB` are perpendicular to each other than their scalar product `vecA.vecB=<a href="https://interviewquestions.tuteehub.com/tag/0-251616" style="font-weight:bold;" target="_blank" title="Click to know more about 0">0</a>` because `cos90^(@)=0`. Then the vectors `<a href="https://interviewquestions.tuteehub.com/tag/vecaandvecb-3257242" style="font-weight:bold;" target="_blank" title="Click to know more about VECAANDVECB">VECAANDVECB</a>` are said to be mutually <a href="https://interviewquestions.tuteehub.com/tag/orthogonal-2900235" style="font-weight:bold;" target="_blank" title="Click to know more about ORTHOGONAL">ORTHOGONAL</a>.</body></html>

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