Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 12-science Answered


Write the direction ratio’s of the vector and hence calculate its direction cosines.

Asked by Topperlearning User | 13 Aug, 2016, 01:24: AM
Expert Answer

The direction ratios of the vector are 1, 2, – 3 and 

t h e space d i r e c t i o n space cos i n e s space a r e space fraction numerator 1 over denominator square root of 1 plus 4 plus 9 end root end fraction comma fraction numerator 2 over denominator square root of 1 plus 4 plus 9 end root end fraction comma fraction numerator negative 3 over denominator square root of 1 plus 4 plus 9 end root end fraction rightwards double arrow fraction numerator 1 over denominator square root of 14 end fraction comma fraction numerator 2 over denominator square root of 14 end fraction comma fraction numerator negative 3 over denominator square root of 14 end fraction.

Answered by | 13 Aug, 2016, 03:24: AM
CBSE 12-science - Maths
Asked by lovemaan5500 | 07 Feb, 2020, 09:49: AM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by Topperlearning User | 13 Aug, 2016, 01:24: AM
ANSWERED BY EXPERT
Season Break Offer!
Get 60% Flat off instantly.
Avail Now
×