If the direction cosines of a variable line in two adjacent points be `l, M, n and l+deltal,m+deltam+n+deltan` the small angle `deltatheta`as between the two positions is given by

If the direction cosines of a variable line in two adjacent points be l,M,n and l+delta l,m+delta m+n+delta n the small angle delta theta as between the two positions is given by

If a variable line in two adjacent positions has direction cosins l ,m ,n and I+deltal ,m+deltam m ,n+deltan , show that he small angel deltatheta between two positions is given by (deltatheta)^2=(deltal)^2+(deltam)^2+(deltan)^2

A variable line in two adjacent positions has direction cosines l, m, n and l+delta l, m+deltam, n+delta n . Prove that the small angle delta theta between the two positions of the variable line is given by, (delta theta)^(2)=(delta l)^(2)+(delta m)^(2)+(delta n)^(2)

If a variable line in two adjacent positions has direction cosines l, m, n and I + delta I, m + delta m, n + delta n, then show that the small angle delta theta between the two positions is given by delta theta^2=deltal^2+deltam^2+deltan^2 .

If a variable line in two adjacent positions has direction cosines (l,m,n) and (l + delta l, m + delta m, n + delta n) , then show that the small angle delta theta between the two position is given by (delta theta)^(2) = (delta l)^(2) + (delta m)^(2)+ (delta n)^(2)

If a variable line in two adjacent position has direction cosines l,m,n and l+delta l, m+delta m, n+delta n and delta theta is the angel between two positions, then (delta l)^(2)+(delta m)^(2)+(delta n)^(2)=

If l,m,n are direction cosines of the line then -l,-m,-n can be

A variable line in two adjacent positions has direction cosines and . Show that the small angle sigmatheta between the two positions is given by sigmatheta^2=sigmal^2+sigmam^2+sigman^2 .