If a line has direction ratios 3, -4, 5 then it's direction cosines will be-
Answer & explanation
Correct answer: option 1
Direction cosines are-
3/√{(3)2 +(-4)2 + (5)2}, -4/√{(3)2 +(-4)2 + (5)2}, 5 /√{(3)2 +(-4)2 + (5)2}
3/√50 , -4 /√50 , 5/√50
If a line has direction ratios 3, -4, 5 then it's direction cosines will be-
Correct answer: option 1
Direction cosines are-
3/√{(3)2 +(-4)2 + (5)2}, -4/√{(3)2 +(-4)2 + (5)2}, 5 /√{(3)2 +(-4)2 + (5)2}
3/√50 , -4 /√50 , 5/√50