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 #779563 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! tan A >0 in the first and third quadrants (it is sin/cos) \n" ); document.write( "sin A >0 in the first and third quadrants \n" ); document.write( "the product is positive and is in the first quadrant. \r \n" ); document.write( "\n" ); document.write( "In the third quadrant tan A is positive because sin A is - and cos A is -. Their quotient is positive,but if multiplied by the - sin A in the third quadrant, that product would be negative. \n" ); document.write( " |