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Find the angle of vector veca=6hati+2hat...

Find the angle of vector `veca=6hati+2hatj-3hatk` with `x`-axis.

Text Solution

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`" "veca=6hati+2hatj-3hatk`
or `" "|veca|=sqrt((6)^(2)+(2)^(2)+(-3)^(2))=7`
Hence, the angle of vector with the `x`-axis is `cos^(-1)""(6)/(7)`.
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CENGAGE PUBLICATION-INTRODUCTION TO VECTORS -ILLUSTRATION 20
  1. Find the angle of vector veca=6hati+2hatj-3hatk with x-axis.

    Text Solution

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