document.write( "Question 1064124: Hello. I need to find the (1) amplitude; (2) period; and (3) phase shift without graphing for this problem: \r
\n" ); document.write( "\n" ); document.write( "y = 2 sin(2x-pi)\r
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Algebra.Com's Answer #679162 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "For either of these:\r\n" );
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document.write( "\"y+=+A%2Asin%28B%2Ax+%2B+C%29%2BD\" or \"y+=+A%2Acos%28B%2Ax+%2B+C%29%2BD\"\r\n" );
document.write( "\r\n" );
document.write( "\"matrix%281%2C3%2Camplitude%2C%22%22=%22%22%2Cabs%28A%29+%29\"\r\n" );
document.write( "\"matrix%281%2C3%2Cperiod%2C%22%22=%22%22%2C2pi%2FB+%29\"\r\n" );
document.write( "\"matrix%281%2C4%2Cphase%2Cshift%2C%22%22=%22%22%2C-C%2FB+%29\"\r\n" );
document.write( "\"matrix%281%2C4%2Cvertical%2Cshift%2C%22%22=%22%22%2CD+%29\"\r\n" );
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document.write( "Your problem is this:\r\n" );
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document.write( "\"y+=+2sin%282x-pi%29\"\r\n" );
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document.write( "where\r\n" );
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document.write( "\"matrix%281%2C7%2CA=2%2C%22%2C%22%2CB=2%2C%22%2C%22%2CC=-pi%2C%22%2C%22%2CD=0%29\"\r\n" );
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document.write( "Now you can finish by substituting.  If you have trouble\r\n" );
document.write( "substituting, tell me about it in the thank-you note form \r\n" );
document.write( "below, and I'll get back to you by email.  No charge ever!\r\n" );
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document.write( "Edwin
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