Ask your own question, for FREE!
Engineering 12 Online
OpenStudy (anonymous):

If a vector makes an angle alpha with x-axis, beta with y-axis and gamma with z-axis , prove that : cos^2(alpha)+cos^2(beta)+cos^2(gamma)=3/2

OpenStudy (anonymous):

the value of the square of the direction cosines are always equal to 1.... not 3/2

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!