SOLUTION: Hai sir, Please help me on this problem
"If a line has the direction ratios –17, 11, – 4, then what are its direction cosines?
a. a)0.7, 0.4, 0.05
b. b)0.6, 0.3, 0.1
c. c)0.
Algebra.Com
Question 397767: Hai sir, Please help me on this problem
"If a line has the direction ratios –17, 11, – 4, then what are its direction cosines?
a. a)0.7, 0.4, 0.05
b. b)0.6, 0.3, 0.1
c. c)0.9, 0.6, 02
d. d)None of these"
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
The position vector <-17, 11, -4> or -17i + 11j - 4k has length . The direction cosines are then
, , .
Incidentally, the answer is d, none of the choices.
RELATED QUESTIONS
Hai sir, please help me on this problem,
3)If the points (-2,1),(a,b) and (4,-1) are... (answered by ewatrrr)
Hai sir, please help me on this problem, I couldnt find the solution
Express (x^4 - x)... (answered by ewatrrr)
Hai Sir, please help me on this problem, i got stuck
1)Show that the points... (answered by ewatrrr)
Hai sir, can you please help me on this problem, I could not find the solution,
One... (answered by Gogonati)
Hai Sir, Can you please help me on this problem, i could not find the solution.... (answered by richard1234)
Hai Sir, please help me on this problem, i got stuck
2)The centre of a circle is... (answered by Edwin McCravy,lwsshak3)
Hai sir, please help me on this problem
Namita has a garden in front of her house.
The (answered by Earlsdon)
Hai sir, please help me on this problem
for wht value of K are the numbers x, 2x+K and... (answered by stanbon)
Hai sir, please help me on this problem sir, i couldnt find the soultion,
Given the... (answered by jsmallt9)