document.write( "Question 343979: Find the amplitude of y = 6 cos 4(theta)\r
\n" ); document.write( "\n" ); document.write( "a. 3/2
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\n" ); document.write( "c. 4
\n" ); document.write( "d. pi/2
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Algebra.Com's Answer #246074 by Fombitz(32388)\"\" \"About 
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The amplitude of the cosine function is 1.
\n" ); document.write( "With the constant 6 as a multiplier, the amplitude becomes 6.
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