Algebra.Com's Answer #424028 by Edwin McCravy(20056)![\"\"](\"/images/stars/stars-13.gif\")  
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Triangle XYZ is right angles at Y, XY is 45 m YZ is 36 m. Using the given measures find\r
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document.write( "a) cos Z
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document.write( "b) measure of XY
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document.write( "c) measure the angle of X
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document.write( "d) tan X
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document.write( "e) sin Z
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document.write( "f) tan Z
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document.write( "First we find the hypotenuse XZ using the Pythagorean theorem\r\n" );
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document.write( "c² = a² + b² with a = XY, b = YZ, and c = XZ\r\n" );
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document.write( "XZ² = XY² + YZ²\r\n" );
document.write( "XZ² = 45² + 36²\r\n" );
document.write( "XZ² = 2025 + 1296\r\n" );
document.write( "XZ² = 3321\r\n" );
document.write( " XZ = √3321\r\n" );
document.write( " XZ = √81·41\r\n" );
document.write( " XZ = 9√41\r\n" );
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document.write( "a) cos(Z) =  =  =  =  \r\n" );
document.write( "b) measure of XY (That's given as 45m. Did you mean XZ? It's 9√41)\r\n" );
document.write( "c) measure the angle of X (Find inverse tangent of  as 38.66°\r\n" );
document.write( "d) tan(X) =  = =  \r\n" );
document.write( "e) sin(Z) =  =  =  =  \r\n" );
document.write( "f) tan(Z) = = =  =  \r\n" );
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document.write( "Edwin
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