document.write( "Question 1196624: If
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document.write( "sin(x) = 1/3 and sec(y) = 13/12,
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document.write( " where x and y lie between 0 and 𝜋2,
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document.write( "evaluate the expression.
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document.write( "cos(x + y) \n" );
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Algebra.Com's Answer #829546 by ikleyn(52816)![]() ![]() You can put this solution on YOUR website! .\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "A TWIN problem was just solved at this forum under this link\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "https://www.algebra.com/algebra/homework/Trigonometry-basics/Trigonometry-basics.faq.question.1196621.html\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Use it as your TEMPLATE and solve this current problem in similar way.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |