Posted by Chaitanya on Tuesday, April 22, 2008 at 12:03am.
What kind of reflection does the trig function y = cos(4x/3 minus 1) have?

trig  bobpursley, Tuesday, April 22, 2008 at 8:57am
Well, it is reflected about the cosine zero line, or when 4x/3 minus 1 is equal to zero.

trig  Anonymous, Friday, May 20, 2011 at 11:15am
Amplitude of y=2 cos1/3x
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