document.write( "Question 1202328: A sinusoidal function has an amplitude of 8 units, ad period of 180, and a minimum at (0, -3). Determine the equation of the function.
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Algebra.Com's Answer #837077 by ikleyn(52863) $\"\"$ $\"About$

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document.write( "Since this sinusoidal function has a minimum at x= 0, it tells us\r\n" );
document.write( "that the pattern is  m-a*cos(bx)  without a phase shift,\r\n" );
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document.write( "where \"m\" is the midline,  \"a\" is the amplitude and \"b\" is the coefficient \r\n" );
document.write( "managing the period.\r\n" );
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document.write( "About the amplitude, we are given that a= 8;  hence, m = 8-3 = 5.\r\n" );
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document.write( "Since the period is 180 units, we have\r\n" );
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document.write( "     = 180,\r\n" );
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document.write( "so  b =  = .\r\n" );
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document.write( "Thus and finally,  the function is  f(x) = .    ANSWER\r\n" );
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