document.write( "Question 957479: I need to solve this compound formula (exact solution): sec(π/3 - 5π/4)\r
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document.write( "I have attempted to solve it but I end up with . \n" );
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Algebra.Com's Answer #585090 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! I need to solve this compound formula (exact solution): \n" ); document.write( "sec(π/3 - 5π/4) \n" ); document.write( "------- \n" ); document.write( "= 1/[cos(pi/3 - 5pi/4) \n" ); document.write( "------- \n" ); document.write( "= 1/[cos(pi/3)*cos(5pi/4) - sin(pi/3)sin(5pi/4)] \n" ); document.write( "------- \n" ); document.write( "= 1/[(1/2)*(-sqrt(2)/2) - (sqrt(3)/2)*(-sqrt(2)/2)] \n" ); document.write( "-------- \n" ); document.write( "= 1/[-sqrt(2)/4 + sqrt(6)/4] \n" ); document.write( "--------- \n" ); document.write( "= 4/[sqrt(6)-sqrt(2)] \n" ); document.write( "---- \n" ); document.write( "= 4[sqrt(6)+sqrt(2)]/[6-2] \n" ); document.write( "---- \n" ); document.write( "= sqrt(6)+sqrt(2) \n" ); document.write( "----------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "-------------- \n" ); document.write( " \n" ); document.write( " |