If `vec(A)` makes an angle `alpha, beta` and `gamma` from x,y and z axis respectively then `sin^(2)alpha+sin^(2) beta+sin^(2) gamma=`A. 3B. 2C. 1D. 0

If `vec(A)` makes an angle `alpha, beta` and `gamma` from x,y and z ax

1.	If `vec(A)` makes an angle `alpha, beta` and `gamma` from x,y and z axis respectively then `sin^(2)alpha+sin^(2) beta+sin^(2) gamma=`A. 3B. 2C. 1D. 0
Answer» Correct Answer - B `" "cos^(2)alpha+ cos^(2) beta+ cos^(2) gamma=1` `" "(1-sin^(2)alpha)+(1-sin ^(2) beta)+(1- sin ^(2)gamma)=1` ` therefore" "sin^(2) alpha + sin ^(2) beta+sin ^(2) gamma=2`

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If `vec(A)` makes an angle `alpha, beta` and `gamma` from x,y and z axis respectively then `sin^(2)alpha+sin^(2) beta+sin^(2) gamma=`A. 3B. 2C. 1D. 0

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