Last updated at Dec. 16, 2024 by Teachoo
Ex 10.3, 1 Find the angle between two vectors ๐ โ and ๐ โ with magnitudes โ3 and 2 ,respectively having ๐ โ โ ๐ โ = โ6 . ๐ โ . ๐ โ = "|" ๐ โ"|" "|" ๐ โ"|" cos ฮธ where ฮธ is the angle between ๐ โ and ๐ โ Given, |๐ โ | = โ3, |๐ โ | = 2 and ๐ โ. ๐ โ = โ6 Putting values in formula ๐ โ. ๐ โ = |๐ โ ||๐ โ | cos ฮธ โ6 = โ3 ร 2 ร cos ฮธ โ3 ร โ2 = โ3 ร โ2 ร โ2 ร cos ฮธ cos ฮธ = 1/โ2 ฮธ = ๐ /๐ Thus, the angle ๐ โ and ๐ โ is ๐/4
Ex 10.3
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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo