document.write( "Question 1074386: Find the angle between the vectors.
\n" ); document.write( "1. v=(-3,4) u=(8,5)
\n" ); document.write( "2. (-3,8), (-1,-9) this one did not come with u and v.
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Algebra.Com's Answer #689073 by ikleyn(52781)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "See relevant lessons on dot-product\r
\n" ); document.write( "\n" ); document.write( "    - Introduction to dot-product\r
\n" ); document.write( "\n" ); document.write( "    - Formula for Dot-product of vectors in a plane via the vectors components\r
\n" ); document.write( "\n" ); document.write( "    - Dot-product of vectors in a coordinate plane and the angle between two vectors\r
\n" ); document.write( "\n" ); document.write( "    - Perpendicular vectors in a coordinate plane\r
\n" ); document.write( "\n" ); document.write( "    - Solved problems on Dot-product of vectors and the angle between two vectors \r
\n" ); document.write( "\n" ); document.write( "    - Properties of Dot-product of vectors in a coordinate plane \r
\n" ); document.write( "\n" ); document.write( "in this site.\r
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\n" ); document.write( "\n" ); document.write( "Also,  you have this free of charge online textbook in ALGEBRA-II in this site\r
\n" ); document.write( "\n" ); document.write( "    - ALGEBRA-II - YOUR ONLINE TEXTBOOK.\r
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\n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this online textbook under the topic
\n" ); document.write( "\"Dot-product for vectors in a coordinate plane\".\r
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