document.write( "Question 968324: if cos theta = 4/5 and theta lies in quadrant IV, find sin(theta-pi)
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Algebra.Com's Answer #591776 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! if cos theta = 4/5 and theta lies in quadrant IV, find sin(theta-pi) \n" ); document.write( "cosx=4/5(Q4) \n" ); document.write( "sinx=-3/5 \n" ); document.write( "sin(x-π)=sinxcosπ-cosxsinπ=-3/5*-1-4/5*0=3/5 \n" ); document.write( " |