document.write( "Question 1143703: use trigonometric identities to expand and simplify if possible\r
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document.write( "a) sin(A+270)\r
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document.write( "b) cos(B+180) \n" );
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Algebra.Com's Answer #764582 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! use trigonometric identities to expand and simplify if possible\r \n" ); document.write( "\n" ); document.write( "a) sin(A+270)\r \n" ); document.write( "\n" ); document.write( "b) cos(B+180) \n" ); document.write( "=============================== \n" ); document.write( "If you don't know the identities, look them up at \"Half Angle Formulas\" on Wikipedia. \n" ); document.write( " \n" ); document.write( " |