If `alpha+beta+gamma` are the angle which a half ray makes with the positive direction of the axes then `sin^2alpha+sin^2beta+sin^2gamma=` (A) 1 (B) 2 (C) 0 (D) -1

If alpha, beta, gamma be angles which a straighat line makes with the positive direction of the axes, then sin^2 alpha+sin^2beta+sin^2gamma is equal to (A) 4 (B) 1 (C) 2 (D) 3

If alpha, beta, gamma are the angles made by a line with the positive directions of the coordinate axes, then sin^(2)alpha+sin^(2)beta+sin^(2)gamma=

If alpha , beta , gamma are the angles which a directed line makes with the positive directions of the co-ordinates axes,then sin^(2)alpha+sin^(2)beta+sin^(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

If alpha, beta, gamma are the angle made by a vector with the coordinate axes, then sin^(2) alpha + sin^(2) beta + sin^(2) gamma =

If alpha, beta, gamma are the angles which a line makes with the coordinate axes ,then (A) sin^2alpha=cos^2beta+cos^2gamma (B) cos^2alpha+cos^2beta+cos^2gamma=2 (C) cos^2alpha+cos^2beta+cos^2gamma=1 (D) sin^2alpha+sin^2beta=1+cos^2gamma

If alpha, beta, gamma are the angles which a line makes with the coordinate axes ,then (A) sin^2alpha=cos^2beta+cos^2gamma (B) cos^2alpha+cos^2beta+cos^2gamma=2 (C) cos^2alpha+cos^2beta+cos^2gamma=1 (D) sin^2alpha+sin^2beta=1+cos^2gamma

If alpha,beta,gamma are the angles which a line makes with OX,OY and OZ , then sin^(2)alpha + sin ^(2) beta+ sin^(2) gamma