Write the direction ratios of the vector ` -> a= hat i+ hat j-2 hat k`and hence calculate its direction cosines.

Write the direction ratios of the vector vec a = hat i - hat j + 2 hat k and hence calculate the direction cosines.

Write the direction ratios of the vector rarr a=hat i+hat j-2hat k and hence calculate its direction cosines.

Writhe the direction cosines of the vectors -2 hat i+ hat j-5 hat kdot

Write the direction cosines of the vector -2 hat i+ hat j-5 hat k

Write the direction cosines of the vector hat(j) .

Write the direction cosines of the vector vec r=6 hat i-2 hat j+3 hat kdot

Write the direction ratios of the vector 2hat(i)-hat(j)-2hat(k) and hence find the values of direction cosines of the vector.

Write the direction cosines of the vector -2hat i+hat j-5hat k

Writhe the direction cosines of the vectors -2hat i+hat j-5hat k