Find the angles which the vector ` vec a= hat i- hat j+sqrt(2) hat k` makes with the coordinate axes.

Find the angles which the vector vec(a)=3 hat(i)-6hat(j)+2hat(k) makes with the coordinate axes.

Find the angles at which the vector 2 hat i- hat j+2 hat k is inclined to each of the coordinate axes.

Find the angles which the vector 3 hat i- 6 hat j+ 2 hat k makes the co-ordinates axes.

Find the angles at which the vector 2hat i-hat j+2tilde k is inclined to each of the coordinate axes.

Find the values of ' a ' which the vector vec r=(a^2-4) hat i+2 hat j-(a^2-9) hat k makes acute angle with the coordinate axes.

What is the angle which the vector (hat(i)+hat(j)+sqrt(2)hat(k)) makes with the z-axis ?

The angle which a vector hat(i)-hat(j)+sqrt(2)hat(k) makes with y-axis is

Write the value of cosine of the angle which the vector vec(a) = hat(i) + hat(j) + hat(k) makes with y-axis.

Find the values of a'a' which the vector vec r=(a^(2)-4)hat i+2hat j-(a^(2)-9)hat k makes acute angle with the coordinate axes.