A line makes the angle `alpha, beta , gamma and delta` with the diagonals of a cube. The `cos^2 alpha + cos^2 beta + cos^2 gamma + cos^2 delta =.............`

A line makes angles alpha, beta, gamma and delta with the diagonals of a cube, prove that sin^(2) alpha + sin^(2) beta + sin^(2) gamma + sin^(2) delta = (8)/(3) .

cos^(2) alpha +cos^(2) beta +cos^(2) gamma is equal to

If a line makes angles alpha,beta and gamma with the positive direction of axes then show that, sin^2alpha+sin^2 beta sin^2 gamma=2

Expression of x+y + z = 1 in the form of x cos alpha + y cos beta + z cos gamma = p is ..........

Vector vecP angle alpha,beta and gamma with the x,y and z axes respectively. Then sin^(2)alpha+sin^(2)beta+sin^(2)gamma=

If cos alpha, cos beta, gamma are direciton cosines then cos 2 alpha + cos 2 beta + cos 2 gamma = ................

A line marks angles alpha, beta and gamma with the coordinate axes. If (alpha+beta)=90^(@) , then find gamma .

If a vector vec(A) make angles alpha , beta and gamma , respectively , with the X , Y and Z axes , then sin^(2) alpha + sin^(2) beta + sin^(2) gamma =

If alpha, beta and gamma are direction cosines of the vector vec(x) then 1+cos2alpha+cos 2beta+cos 2lambda= …………..

Explain alpha beta and gamma rays