document.write( "Question 1204900: Find the magnitude and direction of the vector,
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Algebra.Com's Answer #841438 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "direction defined as the angle theta in standard position of the terminal side through the origin and point with coordinates (\"a+\", \"b\")
\n" ); document.write( "angle theta is found by solving the trigonometric equation:\r
\n" ); document.write( "\n" ); document.write( "\"tan%28theta%29+=+b%2Fa\", such that \"0+%3C=+theta+%3C+2pi\"\r
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\n" ); document.write( "\n" ); document.write( "Direction \"theta\": \r
\n" ); document.write( "\n" ); document.write( "\"tan%28theta%29+=+5%2F3\"\r
\n" ); document.write( "\n" ); document.write( "\"theta+=tan%5E-1%28+5%2F3%29\"\r
\n" ); document.write( "\n" ); document.write( "\"theta=+59.04\"° \r
\n" ); document.write( "\n" ); document.write( "The terminal side of vector is in quadrant \"I\".\r
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