document.write( "Question 1173623: u =−6i − 2j
\n" ); document.write( "v= −9i + 4j\r
\n" ); document.write( "\n" ); document.write( "Find the degree measure of the angle 𝜃 between the vectors. (Round your answer to two decimal places.)\r
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Algebra.Com's Answer #798901 by mccravyedwin(407)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Plug in the formula for the angle between vectors u and v where:\r\n" );
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document.write( "u = x1i + y1j\r\n" );
document.write( "v = x2i + y2j\r\n" );
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document.write( "\"theta\"\"%22%22=%22%22\"\"%22tan%22%5E%28-1%29\"\"abs%28%28x%5B1%5Dy%5B2%5D-x%5B2%5Dy%5B1%5D%29%2F%28x%5B1%5Dx%5B2%5D%2By%5B1%5Dy%5B2%5D%29%29\"\r\n" );
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document.write( "u = -6i - 2j\r\n" );
document.write( "v = -9i + 4j\r\n" );
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document.write( "\"theta\"\"%22%22=%22%22\"\"%22tan%22%5E%28-1%29\"\"abs%28%28%28-6%29%284%29-%28-9%29%28-2%29%29%2F%28%28-6%29%28-9%29%2B%28-2%29%284%29%29%29\"\r\n" );
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document.write( "\"theta\"\"%22%22=%22%22\"\"%22tan%22%5E%28-1%29\"\"abs%28%28%28-24%29-%2818%29%29%2F%28%2854%29%2B%28-8%29%29%29\"\r\n" );
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document.write( "\"theta\"\"%22%22=%22%22\"\"%22tan%22%5E%28-1%29\"\"abs%28%28-42%29%2F%2846%29%29\"\r\n" );
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document.write( "\"theta\"\"%22%22=%22%22\"\"%22tan%22%5E%28-1%29\"\"abs%28-0.9130434783%29\"\r\n" );
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document.write( "\"theta\"\"%22%22=%22%22\"\"%22tan%22%5E%28-1%29\"\"%280.9130434783%29\"\r\n" );
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document.write( "\"theta\"\"%22%22=%22%22\"\"42.3974378%5Eo\"\r\n" );
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document.write( "\"theta\"\"%22%22=%22%22\"\"%2242.40%22%5Eo\"\r\n" );
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document.write( "Edwin
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