document.write( "Question 951605: If sinθ = (sqrt(7)/4) and, cos < 0.
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document.write( "What is tanθ?
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document.write( "1) (4/3)
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document.write( "2) -(sqrt(7)/4)
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document.write( "3) (sqrt(7)/3)
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document.write( "4) -(sqrt(7)/3) \n" );
document.write( "
Algebra.Com's Answer #581169 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! If sinθ = (sqrt(7)/4) and, cos < 0. \n" ); document.write( "What is tanθ? \n" ); document.write( "--- \n" ); document.write( "Note: Since sin is positive and cos is negative, theta is in QII \n" ); document.write( "----------------- \n" ); document.write( "By definition sin = y/4, so y = sqrt(7), r = 4 \n" ); document.write( "--- \n" ); document.write( "The x = -sqrt[16-7] = -sqrt(9) = -3 \n" ); document.write( "------- \n" ); document.write( "Ans: tan(t) = y/x = -sqrt(7)/3 \n" ); document.write( "------------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "--------------\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " 1) (4/3) \n" ); document.write( " 2) -(sqrt(7)/4) \n" ); document.write( " 3) (sqrt(7)/3) \n" ); document.write( " 4) -(sqrt(7)/3) \n" ); document.write( " |