document.write( "Question 758776: if sin of theta is equal to 2/3 and theta is in quadrant 1 what is the value of tan theta and cos theta ? \n" ); document.write( "
Algebra.Com's Answer #461687 by Edwin McCravy(20060)\"\" \"About 
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if sin of theta is equal to 2/3 and theta is in quadrant 1 what is the value of tan theta and cos theta ?\r
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document.write( "This approach might be more in line with what your teacher wants.\r\n" );
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document.write( "Draw angle theta in quadrant 1:\r\n" );
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document.write( "Draw a perpendiculat from the endpoint down to the x-axis:\r\n" );
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document.write( "Since the sine is the opposite over the hypotenuse, or y/r,\r\n" );
document.write( "and the sine is given as 2/3, use the numerator 2 for y and the\r\n" );
document.write( "denominator 3 for r\r\n" );
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document.write( "label the green line, opposite side y=2, and hypotenuse r=3\r\n" );
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document.write( "Now we use the Pythagorean theorem to find the adjacent side x,\r\n" );
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document.write( "r² = x² + y²\r\n" );
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document.write( "3² = x² + 2²\r\n" );
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document.write( " 9 = x² + 4\r\n" );
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document.write( " 5 = x²\r\n" );
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document.write( "√5 = x\r\n" );
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document.write( "tan(q) = \"opposite%2Fadjacent\" = \"y%2Fx\" = \"2%2Fsqrt%285%29\" = \"expr%282%2Fsqrt%285%29%29%2A%28sqrt%285%29%2Fsqrt%285%29%29%29\" = \"2sqrt%285%29%2F5\"  \r\n" );
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document.write( "cos(q) = \"adjacent%2Fhypotenuse\" = \"x%2Fr\" = \"sqrt%285%29%2F3\" \r\n" );
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document.write( "Edwin

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