If a line makes anles `alpha, beta, gamma` with the coordinate axes, porve that `sin^2alpha+sin^2beta+sin^2gamma=2`

If a vector makes angles alpha,beta,gamma. with . OX ,O Ya n dO Z respectively, prove that sin^2alpha+sin^2beta+sin^2gamma=2.

A line makes angles alpha,beta and gamma with the coordinate axes. If alpha+beta=90^0, then find gamma .

If a line makes angles alpha,beta,gamma with the axes respectively tehn cos2alpha+cos2beta+cos2gamma= -2 b. -1 c. 1 d. 2

If a line makes angles alpha, beta, gamma with the axes then cos2alpha +cos2beta+cos2gamma = (A) -2 (B) -1 (C) 1 (D) 2

If a line makes angle "alpha","beta\ and\ gamma" with the coordinate axes, find the value of "cos"2"alpha"+"cos"2"beta"+"cos"2"gamma"dot

If line makes angle alpha, beta, gamma, delta with four diagonals of a cube, then the value of sin^2alpha+sin^2beta+sin^2gamma+sin^2delta is (A) 4/3 (B) 1 (C) 8/3 (D) 7/3

If a line makes angles alpha,beta,gamma with the positive direction of coordinate axes, then write the value of sin^2alpha+sin^2beta+sin^2gammadot

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 alphagt0, betagt0, gammagt0, alpha+beta+gamma= pi show that sin^2alpha+sin^2beta-sin^2gamma =

If a line makes angles alpha, beta, gamma when the positive direction of coordinates axes, then write the value of sin^(2) alpha + sin^(2) beta + sin^(2) gamma .