document.write( "Question 1156807: if tan A>0 and (tan A)(sin A)>0, in what quadrant does angle A lie? \n" ); document.write( "

Algebra.Com's Answer #779566 by MathLover1(20850) $\"\"$ $\"About$

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\n" ); document.write( "if $\"tan%28A%29%3E0\"$ and $\"%28tan%28A%29%29%28sin%28A%29%29%3E0\"$ , in what quadrant does angle $\"+A\"$ lie?\r
\n" ); document.write( "\n" ); document.write( "if $\"tan%28A%29%3E0\"$ , means only if $\"sin%28A%29%3E0\"$ this statement $\"%28tan%28A%29%29%28sin%28A%29%29%3E0\"$ will be true\r
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\n" ); document.write( "\n" ); document.write( " $\"trig-functions.jpg\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"sin%28A%29\"$ is positive in $\"Q1\"$ and $\"Q2\"$
\n" ); document.write( " $\"tan%28A%29\"$ is positive in $\"Q1\"$ and $\"Q3\"$ \r
\n" ); document.write( "\n" ); document.write( "Therefore $\"A\"$ must be in $\"Q1\"$ .\r
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