document.write( "Question 967880: Find the angle between the vector a=< sqrt(3),-1> and b=<0,11>. Answer in radians. \n" ); document.write( "
Algebra.Com's Answer #592686 by Edwin McCravy(20055)\"\" \"About 
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Find the angle between the vector a=< sqrt(3),-1> and b=<0,11>. Answer in radians.\r
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document.write( "          a∙b\r\n" );
document.write( "cos(q) = ——————  \r\n" );
document.write( "         ∥a∥∥b∥\r\n" );
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document.write( "\"cos%28theta%29\"\"%22%22=%22%22\"\"%22%22=%22%22\"\"%280-11%29%2F%28sqrt%283%2B1%29sqrt%280%2B121%29%29\"\"%22%22=%22%22\"\"%28-11%29%2F%28sqrt%284%29sqrt%28121%29%29\"\"%22%22=%22%22\"\"%28-11%29%2F%282%2A11%29\"\"%22%22=%22%22\"\"-1%2F2\" \r\n" );
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document.write( "\"theta\"\"%22%22=%22%22\"\"2pi%2F3\"\r\n" );
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document.write( "Edwin
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