Find the angle between the planes `vec(r)*(hat(i)+hat(j)-2hat(k))=3and2x-2y+z=2`

For the plane vec(r).(2hat(i)+3hat(j)+5hat(k))=3

Find the angle between the line vec(r)=(2hat(i)-hat(j)+hat(k))+t(6hat(i)+2hat(j)-2hat(k))" and the plane "vec(r)*(6hat(i)+3hat(j)+2hat(k))=8

The angle between the lines vec(r)=(hat(i)+2hat(j)-3hat(k))+t(2hat(i)+hat(j)-2hat(k))" and the plane "vec(r)*(hat(i)+hat(j))+4=0 is

Find the acute angle between the following lines. vec(r)=(4hat(i)-hat(j))+t(hat(i)+2hat(j)-2hat(k)) vec(r)=(hat(i)-2hat(j)+4hat(k))+s(-hat(i)-2hat(j)+2hat(k))

Find the angle between the line vec r= hat i+2 hat j- hat k+lambda( hat i- hat j+ hat k) and the plane vec rdot(2 hat i- hat j+ hat k)=4.

Find the angle between the vectors vec a = 3 hat i +4 hat j + hat k and vec b = 2 hat i +3 hat j - hat k

Find the vector of magnitude 3, bisecting the angle between the vectors vec a=2 hat i+ hat j- hat k and vec b= hat i-2 hat j+ hat kdot

Find the angle between the vectors hat i - 2 hat j + 3 hat k and 3 hat i - 2 hat j + hat k .

Find the angel between the planes 2x+y-2x+3=0a n d vec rdot(6 hat i+3 hat j+2 hat k)=5.

Find the angel between the following pair of lines: vec r=2 hat i-5 hat j+ hat k+lambda(3 hat i+2 hat j+6 hat k)a n d vec r=7 hat i-6 hat k+mu( hat i+2 hat j+2 hat k) x/2=y/2=z/1a n d(x-5)/4=(y-2)/1=(z-3)/8