document.write( "Question 681796: cos(sin−1 (3/8)
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Algebra.Com's Answer #422803 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! cos(sin−1 (3/8) \n" ); document.write( "---- \n" ); document.write( "you want the cos of the angle whose sin = 3/8 \n" ); document.write( "------- \n" ); document.write( "If the sin is 3/8 , y = 3 and r = 8 \n" ); document.write( "---- \n" ); document.write( "Solve for \"x\" \n" ); document.write( "x^2 = r^2-y^2 = 64-9 \n" ); document.write( "x = sqrt(55) \n" ); document.write( "------------ \n" ); document.write( "Then cos(sin^-1(3/8)) = x/r = sqrt(55)/8 \n" ); document.write( "==================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |