CBSE Class 12-science Answered
Find the direction cosines of the line whose direction ratios are 4, – 3, 2 .
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
Let l, m, n be the direction cosines, then
Answered by | 04 Jun, 2014, 03:23: PM
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with OX, OY and OZ respectively. Prove that 
.Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
