document.write( "Question 1091437: Find the angle between the given vectors to the nearest tenth of a degree. \r
\n" ); document.write( "\n" ); document.write( "u = <-5, 8>, v = <-4, 8>
\n" ); document.write( "

Algebra.Com's Answer #705871 by ikleyn(52781)\"\" \"About 
You can put this solution on YOUR website!
.
\n" ); document.write( "On dot-product, see the lessons in this site\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( "    - The formula for the angle between two vectors and the formula for cosines of the difference of two angles\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "    - HOW TO find dot-product of two vectors in a plane\r
\n" ); document.write( "\n" ); document.write( "    - HOW TO find scalar product of two vectors in a coordinate plane\r
\n" ); document.write( "\n" ); document.write( "    - HOW TO find the angle between two vectors in a coordinate plane\r
\n" ); document.write( "\n" ); document.write( "    - HOW TO prove that two vectors in a coordinate plane are perpendicular\r
\n" ); document.write( "\n" ); document.write( "    - HOW TO prove that a triangle in a coordinate plane is a right triangle\r
\n" ); document.write( "\n" ); document.write( "    - HOW TO check if a quadrilateral in a coordinate plane is a parallelogram\r
\n" ); document.write( "\n" ); document.write( "    - HOW TO check if a quadrilateral in a coordinate plane is a rectangle\r
\n" ); document.write( "\n" ); document.write( "    - HOW TO check if a quadrilateral in a coordinate plane is a rhombus\r
\n" ); document.write( "\n" ); document.write( "    - HOW TO check if a quadrilateral in a coordinate plane is a square\r
\n" ); document.write( "
\n" ); document.write( "
\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
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "The referred lessons are the part of this online textbook under the topic  \"Dot-product for vectors in a coordinate plane\".\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );