Let `veca,vecb and vec c` are three vectors such that `|veca|=3,|vecb|=3,|vecc|=2.|veca+vecb+vecc|=4 and veca` is perpendicular to `vecb,vecc` makes angle `theta and phi` with `veca and vecb` respectively, then `costheta+cos phi=`

Let veca,vecb and vecc are three vectors such that |veca|=3, |vecb|=3, |vecc|=2, |veca+vecb+vecc|=4 and veca is perpendicular to vecb,vecc makes angle theta and phi with veca and vecb respectively, then cos theta+cos theta=

Let veca,vecb and vecc are three vectors such that |veca|=3, |vecb|=3, |vecc|=2, |veca+vecb+vecc|=4 and veca is perpendicular to vecb,vecc makes angle theta and phi with veca and vecb respectively, then cos theta+cos theta=

if veca , vecb ,vecc are three vectors such that veca +vecb + vecc = vec0 then

if veca , vecb ,vecc are three vectors such that veca +vecb + vecc = vec0 then

Let veca and vecb are vectors such that |veca|=2, |vecb|=3 and veca. vecb=4 . If vecc=(3veca xx vecb)-4vecb , then |vecc| is equal to

Let veca and vecb are vectors such that |veca|=2, |vecb|=3 and veca. vecb=4 . If vecc=(3veca xx vecb)-4vecb , then |vecc| is equal to

If veca,vecb,vecc are such that veca.vecb = veca.vecc then show that veca = vec0 or vecb = vecc or veca is perpendicular to vecb.vecc .

Let veca,vecb and vecc are vectors such that |veca|=3,|vecb|=4and |vecc|=5, and (veca+vecb) is perpendicular to vecc,(vecb+vecc) is perpendiculatr to veca and (vecc+veca) is perpendicular to vecb . Then find the value of |veca+vecb+vecc| .