[" If "theta" is acute angle and the vector "],[(sin theta)bar(i)+(cos thetabar(j)" is perpendicular to the "],[" vector "bar(i)-sqrt(3)bar(j)" then "theta=]

If ' theta ' is an acute angle and the vector (sin theta)bari +(cos theta)bari " is perpendicular to the vector " bari -sqrt3barj , " then " theta =

If theta is an acute angle and the vector (sin theta)hat i+(cos theta)hat j is perpendicular to the vector hat i-sqrt(3)hat j, then theta=(pi)/(6) b.(pi)/(5) c.(pi)/(4)d(pi)/(3)

If theta is the angle between the vectors bar(i) + bar(j) , bar(j) + bar(k) then find sin theta .

Find unit vector parallel to the XOY-plane and perpendicular to the vector 4bar(i) - 3bar(j) + bar(k) .

A unit vector is coplanner with bar(i)+bar(j)+2bar(k) and bar(i)+2bar(j)+bar(k) and it is perpendicular to the vector bar(i)+bar(j)+bar(k) . Then the vector …………..

if theta angle between two vectors 2i+j+7k and i+5j+k then cos theta

A non-zero vector bar(a) , is parallel to the line of intersection of the plane determined by the vectors bar(i), bar(i) + bar(j) and the plane determined by the vectors bar(i)- bar(j), bar(i) + bar(k) Find the angle between bar(a) and the vector bar(i)- 2bar(j) + 2bar(k)

If the vector bar(i)-bar(j)+bar(k) bisects the angle between the vector bar(a) and the vector 4bar(i)+3bar(j) , then the unit vector in the direction of bar(a) is (xbar(i)+ybar(j)+zbar(k)) then x-15y+5z is equal to

Find the vector equation of the line passing through the point 2bar(i)+3bar(j)+bar(k) and parallel to the vector 4bar(i)-2bar(j)+3bar(k)