document.write( "Question 316565: For which of the following values of x is cos x/sin x not defined?
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document.write( "A) Pi/2 B) Pi/3 C) Pi/4 D) Pi/6 E) 0 ??? \n" );
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Algebra.Com's Answer #226462 by CharlesG2(834)![]() ![]() ![]() You can put this solution on YOUR website! For which of the following values of x is cos x/sin x not defined? \n" ); document.write( "A) Pi/2 B) Pi/3 C) Pi/4 D) Pi/6 E) 0 ???\r \n" ); document.write( "\n" ); document.write( "cos x = adj/hyp \n" ); document.write( "sin x = opp/hyp \n" ); document.write( "tan x = opp/adj \n" ); document.write( "(cos x)/(sin x) = adj/hyp * hyp/opp = adj/opp = 1/(tan x) \n" ); document.write( "(cos x)/(sin x) is not defined if tan x = 0\r \n" ); document.write( "\n" ); document.write( "tan x = 0, solve for x, use radians \n" ); document.write( "arctan(0) = x, x = 0\r \n" ); document.write( "\n" ); document.write( "answer is E) 0\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |