Math, asked by rajprasadrajendarpra, 3 months ago

EXERCISE 13.1
1. (i) The direction ratios of a line are 1, -3, 2. Find its direction cosines.

Answers

Answered by cutieshanaya28

1

Direction cosines are l,m and n

r vector = √(1)²+(-3)²+(2)² = √14

l= 1/√14

m = -3/√14

n = 2/√14

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