If `alpha,beta,a n dgamma` are the an gles which a directed line makes with the positive directions of the co-ordinates axes, then find the value of `sin^2alpha+sin^2beta+sin^2gammadot`

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,gamma with the positive direction of coordinate axes,then write the value of sin^(2)alpha+sin^(2)beta+sin^(2)gamma

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 and lambda are the angles which the vector vec(OP) (O being the origin ) makes with positive direction of the coordinate axes, then which of the following are correct? 1. cos^(2) alpha + cos^(2) beta = sin^(2) lambda 2. sin^(2) alpha + sin^(2) beta=cos^(2)lambda 3. sin^(2) alpha + sin^(2)beta + sin^(2)lambda=2 Select the correct answer using the code given below.

If alpha, beta and gamma are angles which he vector vec(OP) (O being the origin) makes with positive direction of the coordinte axes, then which of the following are correct? 1. cos^(2) alpha + cos^(2) beta = sin^(2) gamma 2. sin^(2) alpha + cos^(2)beta= cos^(2)gamma 3. sin^(2) alpha + sin^(2) beta + sin^(2) gamma =2 Select the correct answer the using the codes given below:

If sin alpha+sin beta=2 then find the value of cos^(2)alpha+cos^(2)beta

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 sin alpha + sin beta =2 , then find the value of cos^(2)alpha+cos^(2)beta .

Let alpha, beta, gamma be the angles made by a line with the positive directions of the axes of reference in three dimensions. If theta is the acute angle given by costheta=(cos^(2)alpha+cos^(2)beta+cos^(2)gamma)/(sin^(2)alpha+sin^(2)beta+sin^(2)gamma) , then theta equal.