The angle between A= hat(i) + 2hat(j) - hat(k) and bar(B)= -hat(i) + hat(j)-2 hat(k) is

The angle between A= hat(i) + 2hat(j) - hat(k) and bar(B)= -hat(i) + h

1.	The angle between A= hat(i) + 2hat(j) - hat(k) and bar(B)= -hat(i) + hat(j)-2 hat(k) is
Answer» <html><body><p>`30^(@)`<br/>`<a href="https://interviewquestions.tuteehub.com/tag/45-316951" style="font-weight:bold;" target="_blank" title="Click to know more about 45">45</a>^(@)`<br/>`<a href="https://interviewquestions.tuteehub.com/tag/60-328817" style="font-weight:bold;" target="_blank" title="Click to know more about 60">60</a>^(@)`<br/>`90^(@)`</p><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a> :<a href="https://interviewquestions.tuteehub.com/tag/c-7168" style="font-weight:bold;" target="_blank" title="Click to know more about C">C</a></body></html>