Plz asnwer 15 (ii)part

Asked by lovemaan5500 | 7th Feb, 2020, 09:49: AM

Expert Answer:

Projection of a vector on the coordinate axes are 6, -3, 2
L e n g t h space o f space t h e space v e c t o r equals square root of 6 squared plus open parentheses negative 3 close parentheses squared plus 2 squared end root equals square root of 36 plus 9 plus 4 end root equals 7
T h e i r space d i r e c t i o n space cos i n e s space a r e space 6 over 7 comma space fraction numerator negative 3 over denominator 7 end fraction comma space 2 over 7

Answered by Renu Varma | 7th Feb, 2020, 12:14: PM