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Find the angle between the line oversett...

Find the angle between the line `oversettor=(overset^i+2overset^j-overset^k)+lambda(overset^i-overset^j+overset^k)` and the plane `oversettor(2overset^i-overset^j+overset^k)=4`

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For the line `oversettob=i-j+k` and normal to the plane `=oversettoN=2i-j+k.` Let `theta` is the angle between the line and the plane. `thereforesintheta=(oversettob.oversettoN)/(|b||N|)=(2+1+1)/(sqrt3sqrt6)=(2sqrt2)/3ifftheta=sin^(_1)((2sqrt2)/3)`
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