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Recent questions tagged telegram-47370

(chatquestion)...Serpendicular. 3 15. If u= 3 and vector u is equally inclined to the e angle unit vectors i j and k, find u. 16. If the line passing through origin makes angles 0,, 0,, 0, with the planes XOY, YOZ and ZOX respectively, then prove that points maving cos² 0,+cos²0,+cos²0,32. O and 17 If a variable line in two adjacent positions has direction cosines I, m, n and +8l, m+ôm, n+8n, 3, 4), s of show that the small angle 80 between two positions is given by (80)²=(8()²+(&m)²+(&n)*. that two vectors whose direction lotions al + bm + cn = 0 18. Prove %3D are

asked Jan 24, 2020 by balaji.thirumalai

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